A 35-turn circular loop of wire is placed into a magnetic field with initial magnitude 2.9 T. The magnetic field is perpendicular to the surface of the loop. Over a period of 0.65 seconds, the strength of the field is decreased to 1.4 T and as the field decreases a 3.5 V emf is induced in the loop. Calculate the diameter of the loop of wire.

Answers

Answer 1

The diameter of the circular loop of wire is 0.21 m.

According to Faraday's law, the magnitude of the emf induced in a coil is directly proportional to the rate at which the magnetic field changes through the loop. Mathematically, it can be expressed as:ε = -N(ΔΦ/Δt)where ε is the induced emf, N is the number of turns in the coil, and ΔΦ/Δt is the rate of change of magnetic flux through the coil.Φ = BA, where B is the magnetic field strength and A is the area of the loop. Thus, ΔΦ/Δt = Δ(BA)/Δt = AB(ΔB/Δt)

Therefore,ε = -NAB(ΔB/Δt)

The negative sign in the equation represents Lenz's law, which states that the induced emf produces a current that creates a magnetic field that opposes the change in the original magnetic field. Now let's use the formula above to calculate the diameter of the circular loop of wire:

Given, N = 35 turns

B₁ = 2.9 T

B₂ = 1.4 T

A = πr²ε = 3.5

VΔt = 0.65 s

We need to find the diameter of the loop, which can be expressed as D = 2r, where r is the radius of the loop.Let's begin by calculating the rate of change of magnetic field.

ΔB/Δt = (B₂ - B₁)/Δt = (1.4 T - 2.9 T)/(0.65 s) = -3.08 T/s

Now we can calculate the induced emf.ε = -NAB(ΔB/Δt) = -35(πr²)(2.9 T)(-3.08 T/s) = 32.4πr² V

Let's equate this to the given value of 3.5 V and solve for r.32.4πr² = 3.5 Vr² = 3.5 V / 32.4πr² = 0.03425 m²

Now we can solve for the diameter of the loop.D = 2r = 2√(0.03425 m²/π) = 0.21 m

To know more about diameter:

https://brainly.com/question/32968193


#SPJ11


Related Questions

Calculate the wavelength and the frequency f of the photons that have an energy of Ephoton = 1.72 x 10-18 J. Use c = 3.00 x 108 m/s for the speed of light in a vacuum. λ = Calculate the wavelength and the frequency of the photons that have an energy of Ephoton = 663 MeV. λ = m λ = Calculate the wavelength and the frequency of the photons that have an energy of Ephoton = 4.61 keV. m λ = m f = Calculate the wavelength and the frequency of the photons that have an energy of Ephoton = 8.20 eV.

Answers

The wavelength of the photon is 1.52 x 10⁻⁷ m and the frequency of the photon is 1.98 x 10¹⁵ Hz.

The formula to calculate the wavelength of the photon is given by:λ = c / f where c is the speed of light and f is the frequency of the photon. The formula to calculate the frequency of the photon is given by:

f = E / h where E is the energy of the photon and h is Planck's constant which is equal to 6.626 x 10⁻³⁴ J s.1. Energy of the photon is Ephoton = 1.72 x 10⁻¹⁸ J

The speed of light in a vacuum is given by c = 3.00 x 10⁸ m/s.The frequency of the photon is:

f = E / h

= (1.72 x 10⁻¹⁸) / (6.626 x 10⁻³⁴)

= 2.59 x 10¹⁵ Hz

Wavelength of the photon is:

λ = c / f

= (3.00 x 10⁸) / (2.59 x 10¹⁵)

= 1.16 x 10⁻⁷ m

Therefore, the wavelength of the photon is 1.16 x 10⁻⁷ m and the frequency of the photon is 2.59 x 10¹⁵ Hz.2. Energy of the photon is Ephoton = 663 MeV.1 MeV = 10⁶ eVThus, energy in Joules is:

Ephoton = 663 x 10⁶ eV

= 663 x 10⁶ x 1.6 x 10⁻¹⁹ J

= 1.06 x 10⁻¹¹ J

The frequency of the photon is:

f = E / h

= (1.06 x 10⁻¹¹) / (6.626 x 10⁻³⁴)

= 1.60 x 10²² Hz

The mass of photon can be calculated using Einstein's equation:

E = mc²where m is the mass of the photon.

c = speed of light

= 3 x 10⁸ m/s

λ = h / mc

where h is Planck's constant. Substituting the values in this equation, we get:

λ = h / mc

= (6.626 x 10⁻³⁴) / (1.06 x 10⁻¹¹ x (3 x 10⁸)²)

= 3.72 x 10⁻¹⁴ m

Therefore, the wavelength of the photon is 3.72 x 10⁻¹⁴ m and the frequency of the photon is 1.60 x 10²² Hz.3. Energy of the photon is Ephoton = 4.61 keV.Thus, energy in Joules is:

Ephoton = 4.61 x 10³ eV

= 4.61 x 10³ x 1.6 x 10⁻¹⁹ J

= 7.38 x 10⁻¹⁶ J

The frequency of the photon is:

f = E / h

= (7.38 x 10⁻¹⁶) / (6.626 x 10⁻³⁴)

= 1.11 x 10¹⁸ Hz

Wavelength of the photon is:

λ = c / f

= (3.00 x 10⁸) / (1.11 x 10¹⁸)

= 2.70 x 10⁻¹¹ m

Therefore, the wavelength of the photon is 2.70 x 10⁻¹¹ m and the frequency of the photon is 1.11 x 10¹⁸ Hz.4. Energy of the photon is Ephoton = 8.20 eV.

Thus, energy in Joules is:

Ephoton = 8.20 x 1.6 x 10⁻¹⁹ J

= 1.31 x 10⁻¹⁸ J

The frequency of the photon is:

f = E / h

= (1.31 x 10⁻¹⁸) / (6.626 x 10⁻³⁴)

= 1.98 x 10¹⁵ Hz

Wavelength of the photon is:

λ = c / f= (3.00 x 10⁸) / (1.98 x 10¹⁵)

= 1.52 x 10⁻⁷ m

Therefore, the wavelength of the photon is 1.52 x 10⁻⁷ m and the frequency of the photon is 1.98 x 10¹⁵ Hz.

To know more about wavelength visit:

https://brainly.com/question/31143857

#SPJ11

Ephoton is the energy of the photon, h is the Planck's constant (6.626 x 10^-34 J·s), c is the speed of light in a vacuum (3.00 x 10^8 m/s), λ is the wavelength, and f is the frequency.

To calculate the wavelength (λ) and frequency (f) of photons with given energies, we can use the equations:

Ephoton = h * f

c = λ * f

where Ephoton is the energy of the photon, h is the Planck's constant (6.626 x 10^-34 J·s), c is the speed of light in a vacuum (3.00 x 10^8 m/s), λ is the wavelength, and f is the frequency.

Let's calculate the values for each given energy:

Ephoton = 1.72 x 10^-18 J:

Using Ephoton = h * f, we can solve for f:

f = Ephoton / h = (1.72 x 10^-18 J) / (6.626 x 10^-34 J·s) ≈ 2.60 x 10^15 Hz.

Now, using c = λ * f, we can solve for λ:

λ = c / f = (3.00 x 10^8 m/s) / (2.60 x 10^15 Hz) ≈ 1.15 x 10^-7 m.

Ephoton = 663 MeV:

First, we need to convert the energy from MeV to Joules:

Ephoton = 663 MeV = 663 x 10^6 eV = 663 x 10^6 x 1.6 x 10^-19 J = 1.061 x 10^-10 J.

Using Ephoton = h * f, we can solve for f:

f = Ephoton / h = (1.061 x 10^-10 J) / (6.626 x 10^-34 J·s) ≈ 1.60 x 10^23 Hz.

Now, using c = λ * f, we can solve for λ:

λ = c / f = (3.00 x 10^8 m/s) / (1.60 x 10^23 Hz) ≈ 1.87 x 10^-15 m.

Ephoton = 4.61 keV:

First, we need to convert the energy from keV to Joules:

Ephoton = 4.61 keV = 4.61 x 10^3 eV = 4.61 x 10^3 x 1.6 x 10^-19 J = 7.376 x 10^-16 J.

Using Ephoton = h * f, we can solve for f:

f = Ephoton / h = (7.376 x 10^-16 J) / (6.626 x 10^-34 J·s) ≈ 1.11 x 10^18 Hz.

Now, using c = λ * f, we can solve for λ:

λ = c / f = (3.00 x 10^8 m/s) / (1.11 x 10^18 Hz) ≈ 2.70 x 10^-10 m.

Ephoton = 8.20 eV:

Using Ephoton = h * f, we can solve for f:

f = Ephoton / h = (8.20 eV) / (6.626 x 10^-34 J·s) ≈ 1.24 x 10^15 Hz.

Now, using c = λ * f, we can solve for λ:

λ = c / f = (3.00 x 10^8 m/s) / (1.24 x 10^15 Hz) ≈ 2.42 x 10^-7 m.

To know more about wavelength, visit:

https://brainly.com/question/31143857

#SPJ11

A fish takes the bait and pulls on the line with a force of 2.5 N. The fishing reel, which rotates without friction, is a uniform cylinder of radius 0.060 m and mass 0.80 kg. What is the angular acceleration of the fishing reel? Express your answer using two significant figures.
How much line does the fish pull from the reel in 0.20 s? Express your answer using two significant figures.

Answers

The fish pulls 0.012 m of the line from the reel in 0.20 s.

The solution of the given problem is as follows; The formula for torque, τ is given as;

τ = Fr

Where; τ = torque F = force R = distance

Let the torque on the fishing reel be τ, the force of the fish be F and the distance of the fishing reel be R.

τ = FR

We know that;

α = τ / I

Where;

α = angular acceleration of the fishing reel

I = moment of inertia of the fishing reel

Thus, the angular acceleration of the fishing reel is given as;

α = FR / I

Here; F = 2.5 NR = 0.060 mI

= (1/2)mr² = (1/2) (0.80 kg) (0.060 m)²

Thus,α = (2.5 N) (0.060 m) / [(1/2) (0.80 kg) (0.060 m)²]α = 10 rad/s²

Now, we need to calculate how much line the fish pulls from the reel in 0.20 s.

The formula for the angular velocity of the fishing reel, ω is given as;

ω = αt

Where;ω = angular velocity of the fishing reelα = angular acceleration of the fishing reelt = time Taken initial angular velocity of fishing reel to be zero, the angular displacement, θ is given as;θ = (1/2) αt²θ

= (1/2) (10 rad/s²) (0.20 s)²θ

= 0.20 rad

Now, we need to find the amount of line the fish pulls from the reel, s. The formula for the linear displacement, s is given as;

s = rθ

Where; s = linear displacement r = radius of the fishing reelθ = angular displacement

Thus, s = (0.060 m) (0.20 rad)s

= 0.012 m

To know more about line visit:

https://brainly.com/question/30003330

#SPJ11

Jae was in motion backward with 100 miles per hour for two hours and then in motion forward with the same size of velocity but for three hours. Calculate the size of the total displacement.

Answers

The size of the total displacement is 100 miles.

To calculate the total displacement of Jae when he is in motion backward for 2 hours and then in motion forward for 3 hours, both of which are at a velocity of 100 miles per hour, we can use the formula for displacement:

Displacement = Velocity x Time

In this case, we can find the displacement of Jae when he is in motion backward as follows:

Displacement backward = Velocity backward x Time backward

= -100 x 2 (since he is moving backward, his velocity is negative)

= -200 miles

Similarly, we can find the displacement of Jae when he is in motion forward as follows:

Displacement forward = Velocity forward x Time forward

= 100 x 3

= 300 miles

Now, to find the total displacement, we need to add the two displacements:

Total displacement = Displacement backward + Displacement forward= -200 + 300= 100 miles

Therefore, the size of the total displacement is 100 miles.

To learn more about displacement visit;

https://brainly.com/question/11934397

#SPJ11

A 2.94 kg particle has a velocity of (2.90 î - 3.91 ĵ) m/s. (a) Find its x and y components of momentum. Px = 8.52 kg.m/s Py = -11.5 kg-m/s (b) Find the magnitude and direction of its momentum. 59.66 X Your response differs from the correct answer by more than 100%. kg-m/s X (clockwise from the +x axis) -0.93

Answers

The x-component of momentum and y-component of momentum is found to be 8.52 kg.m/s and -11.5 kg.m/s respectively. The magnitude and direction of momentum are found to be 14.37 kg.m/s and 52.64° clockwise from the +x-axis respectively.

Given that, Mass of the particle, m = 2.94 kg,Velocity, v = (2.90 î - 3.91 ĵ) m/s.

The x-component of momentum is,

Px = mvx,

Px = 2.94 × 2.90,

Px = 8.526 kg m/s.

The y-component of momentum is,Py = mvy,

Py = 2.94 × (-3.91),

Py = -11.474 kg m/s.

Therefore, Px = 8.52 kg.m/s and Py = -11.5 kg-m/s.

Magnitude of momentum is given by,|p| = sqrt(Px² + Py²),

|p| = sqrt(8.52² + (-11.5)²),

|p| = 14.37 kg m/s.

The direction of momentum is given by,θ = tan⁻¹(Py/Px)θ = tan⁻¹(-11.5/8.52)θ = -52.64°.

Thus, the magnitude of momentum is 14.37 kg m/s and the direction of momentum is 52.64° clockwise from the +x-axis.

The x-component of momentum is, Px = 8.52 kg.m/s.

The y-component of momentum is, Py = -11.5 kg.m/sMagnitude of momentum is, |p| = 14.37 kg.m/sDirection of momentum is, 52.64° clockwise from the +x-axis.

The x-component of momentum and y-component of momentum is found to be 8.52 kg.m/s and -11.5 kg.m/s respectively. The magnitude and direction of momentum are found to be 14.37 kg.m/s and 52.64° clockwise from the +x-axis respectively.

To know more about momentum visit:

brainly.com/question/24030570

#SPJ11

A coaxial cable used in a transmission line has an inner radius of 0.20 mm and an outer radius of 0.60 mm. Calculate the capacitance per meter for the cable. Assume that the space between the conductors is filled with polystyrene. (Also assume that the outer conductor is infinitesimally thin.) 104 X pF/m Two parallel plates of area 55 cm² are given charges of equal magnitudes 9.8 x 10-7 C but opposite signs. The electric field within the dielectric material filling the space between the plates is 4.6 x 10 V/m. (a) Calculate the dielectric constant of the material. (b) Determine the magnitude of the charge induced on each dielectric surface.

Answers

The capacitance per meter of the coaxial cable is 104 pF/m. The magnitude of the charge induced on each dielectric surface is 9.9 x 10⁻⁷C.

Given:

Inner radius of a coaxial cable (r1) = 0.20 mm,

Outer radius of a coaxial cable (r2) = 0.60 mm,

Polystyrene Dielectric medium. (ε = 2.6),

Electric Field (E) = 4.6 x 10³ V/m,

Charge given (q) = 9.8 x 10⁻⁷C,

Area (A) = 55 cm² = 5.5 x 10⁻² m²

(a) Capacitance of Coaxial Cable:

The Capacitance of a coaxial cable is given by:

C = 2πε / ln (r₂ / r₁)

C = (2π x 2.6) / ln (0.6 / 0.2)C = 104 pF/m

Therefore, capacitance per meter of the coaxial cable is 104 pF/m

(b) Dielectric Surface:

The surface charge density induced on each dielectric surface is given by

σ = q / Aσ

= 9.8 x 10⁻⁷C / 5.5 x 10⁻² m²σ

= 1.8 x 10⁻⁵ C/m²

Now, the magnitude of the charge induced on each dielectric surface is given byq' = σ x Aq' = (1.8 x 10⁻⁵ C/m²) x (5.5 x 10⁻² m²)q' = 9.9 x 10⁻⁷C

Therefore, the magnitude of the charge induced on each dielectric surface is 9.9 x 10⁻⁷C.

#SPJ11

Let us know more about dielectric surface : https://brainly.com/question/14090973.

(a) A helium atom has atomic number Z = 2. Calculate the energy of a single electron in the ground state of a helium ion, He*, given that the energy of an electron in the ground state of a hydrogen atom is E₁ = -13.6 eV. (You may ignore the slight difference between the reduced masses of electrons in hydrogen and helium.) (b) Use the answer to part (a) to estimate the ground-state energy of a helium atom in the independent-particle model, where the interaction between the two electrons is neglected. (c) Write down (but do not evaluate) an integral for the first-order perturbation correction to the ground-state energy calculated in part (b), allowing for the mutual repulsion of the two electrons. Your integral should involve the ground-state atomic orbital (r) of an electron in the ground state of a helium atom and the coordinates of both electrons should range over the whole of space. [You may use the fact that the mutual potential energy of two electrons at r₁ and r₂ is Ke²/r2 - r₁, where K is a positive constant.]

Answers

The energy of a single electron in the ground state of a helium ion, He*, is -54.4 eV. The ground-state energy of a helium atom in the independent-particle model is -108.8 eV.

(a) The energy of a single electron in the ground state of a helium ion, He*, can be calculated by considering the effective nuclear charge experienced by the electron. In helium ion, there is only one electron orbiting the nucleus with atomic number Z = 2. The effective nuclear charge experienced by the electron is given by:

Zeff = Z - σ

where Z is the atomic number and σ is the shielding constant. For helium ion, Z = 2 and there is no shielding from other electrons since there is only one electron. Therefore, Zeff = 2.

The energy of the electron in the ground state of a hydrogen atom is given as E₁ = -13.6 eV. The energy of the electron in the ground state of a helium ion can be calculated using the same formula but with Zeff = 2:

E* = -13.6 eV * (Zeff²/1²)

E* = -13.6 eV * 2²

E* = -54.4 eV

Therefore, the energy of a single electron in the ground state of a helium ion, He*, is -54.4 eV.

(b) In the independent-particle model, the interaction between the two electrons in a helium atom is neglected. Each electron is considered to move in an effective potential created by the nucleus and the other electron. Therefore, the ground-state energy of a helium atom in the independent-particle model is simply twice the energy of a single electron in the ground state of a helium ion:

E₀ = 2 * E* = 2 * (-54.4 eV) = -108.8 eV

The ground-state energy of a helium atom in the independent-particle model is -108.8 eV.

(c) The first-order perturbation correction to the ground-state energy calculated in part (b) takes into account the mutual repulsion of the two electrons. The integral for this perturbation correction can be written as:

ΔE = ∫ Ψ₀*(r₁, r₂) V(r₁, r₂) Ψ₀(r₁, r₂) d³r₁ d³r₂

where Ψ₀(r₁, r₂) is the ground-state atomic orbital of an electron in the ground state of a helium atom, and V(r₁, r₂) is the mutual potential energy between the two electrons, given by:

V(r₁, r₂) = Ke²/|r₁ - r₂|

In this integral, the coordinates of both electrons range over the whole of space. However, writing down the specific form of the integral requires expressing the ground-state atomic orbital Ψ₀(r₁, r₂) in terms of the coordinates and considering the appropriate limits of integration.

To learn more about ground-state energy click here

https://brainly.com/question/32186476

#SPJ11

Two resistors with values of 29Ω and 48Ω, respectively, are connected in parallel and hooked to a 10 V batter. (a) What would be the current in the circuit? A (b) What would be the power expended in the circuit? W

Answers

According to the question (a) The current in the circuit is approximately 0.552A. (b) The power expended in the circuit is approximately 5.52W.

(a) The current in the circuit can be calculated using Ohm's Law for the total resistance in a parallel circuit:

[tex]\( I = \frac{V}{R_{\text{total}}} \)[/tex]

where V is the voltage and [tex]\( R_{\text{total}} \)[/tex] is the total resistance.

To calculate [tex]\( R_{\text{total}} \)[/tex], we use the formula for resistors connected in parallel:

[tex]\( \frac{1}{R_{\text{total}}} = \frac{1}{R_1} + \frac{1}{R_2} \)[/tex]

Substituting the given values:

[tex]\( \frac{1}{R_{\text{total}}} = \frac{1}{29\Omega} + \frac{1}{48\Omega} \)[/tex]

[tex]\( \frac{1}{R_{\text{total}}} \approx 0.0345 + 0.0208 \)[/tex]

[tex]\( \frac{1}{R_{\text{total}}} \approx 0.0553 \)[/tex]

[tex]\( R_{\text{total}} \approx \frac{1}{0.0553} \)[/tex]

[tex]\( R_{\text{total}} \approx 18.09\Omega \)[/tex]

Now we can calculate the current:

[tex]\( I = \frac{V}{R_{\text{total}}} = \frac{10V}{18.09\Omega} \approx 0.552A \)[/tex]

Therefore, the current in the circuit is approximately 0.552A.

(b) The power expended in the circuit can be calculated using the formula:

[tex]\( P = IV \)[/tex]

Substituting the known values:

[tex]\( P = 0.552A \times 10V \)[/tex]

[tex]\( P \approx 5.52W \)[/tex]

Therefore, the power expended in the circuit is approximately 5.52W.

To know more about circuit visit-

brainly.com/question/29148825

#SPJ11

A beam from green laser pointer (a=532 nm) is passing via a diffraction grating with 500 lines/mm onto a wall which is 3.00 meters behind the grating. The laser beam is perpendicular to both the grating and the wall. How much is the distance (along the wall) from the central spot (=zero diffraction order spot) to the first order diffraction spot? To the second order diffraction spot? How many spots are observed on the wall overall? Why not more?

Answers

a. The distance from the central spot to the first order diffraction spot is  0.798 meters,

b. the distance from the central spot to the second order diffraction spot is  1.596 meters.

c. The maximum order of diffraction is 3751.

How do we calculate?

λ = 532 × 10^(-9) meters

L = 3.00 meters

d = 1 / (500 × 10^(-3)) meters

Distance is found as:

[tex]y1 = (1 * 532 * 10^(^-^9^) * 3.00) / (1 / (500 * 10^(^-^3^)))\\y2 = (2 * 532 * 10^(^-^9^) * 3.00) / (1 / (500 * 10^(^-^3^)))[/tex]

The maximum order of diffraction:

m_max = [tex](1 / (500 * 10^(^-^3^))) / (532 * 10^(^-^9^))[/tex]

y1 = ([tex]1 * 532 * 10^(^-^9^) * 3.00) / (1 / (500 * 10^(^-^3^)))[/tex]

y1= 0.798 meters

y2 =[tex](2 * 532 * 10^(^-^9^) * 3.00) / (1 / (500 * 10^(^-^3^)))[/tex]

y2= 1.596 meters

maximum order of diffraction:

=[tex](1 / (500 * 10^(^-^3^))) / (532 * 10^(^-^9^))[/tex]

= 3751.879

Learn more about Distance at:

https://brainly.com/question/26550516

#SPJ4

A drone is flying in air with an initial velocity of 22.5m/s [S]. 3.85 seconds later, the drone has a final velocity of 12.9m/s [N]. What was its average acceleration during this time?

Answers

The average acceleration of the drone, during the given time interval, is approximately 9.19 m/s² in the direction from south to north.

The average acceleration of the drone can be calculated using the formula:

Average acceleration (a) = (change in velocity) / (change in time)

Initial velocity (u) = 22.5 m/s [S]

Final velocity (v) = 12.9 m/s [N]

Time interval (t) = 3.85 seconds

To calculate the change in velocity, we need to consider the direction of the velocities. Since the initial velocity is towards the south ([S]) and the final velocity is towards the north ([N]), we need to take the magnitudes and directions into account.

Change in velocity (Δv) = v - u

Δv = 12.9 m/s [N] - (-22.5 m/s [S])

Δv = 12.9 m/s + 22.5 m/s

Δv = 35.4 m/s

Now we can calculate the average acceleration:

Average acceleration (a) = Δv / t

a = 35.4 m/s / 3.85 s

a ≈ 9.19 m/s²

Therefore, the average acceleration of the drone during this time is approximately 9.19 m/s².

learn more about "acceleration ":- https://brainly.com/question/460763

#SPJ11

Blue light (450 nm) passes through a diffraction grating with 6000.0 lines/cm, before producing a diffraction pattern on a screen located beyond the slits. What is the maximum number of bright bands that can be seen on the screen? A. 4 B. 6 C. 3 D. 8 E 7

Answers

The maximum number of bright bands that can be seen on the screen is approximately 6.

The number of bright bands in a diffraction pattern can be calculated using the formula:

N = (d*sinθ) / λ,

where N is the number of bright bands, d is the slit spacing (reciprocal of the grating constant), θ is the angle of diffraction, and λ is the wavelength of light.

In this case, the grating has 6000.0 lines/cm, which means the slit spacing (d) is 1/6000.0 cm. The wavelength of blue light is 450 nm (or 450 × 10⁻⁷cm).

To find the maximum number of bright bands, we need to find the maximum angle of diffraction (θ). The maximum angle occurs when sinθ is equal to 1, which gives us:

θ_max = sin⁻¹(1) = 90°.

Substituting the values into the formula, we have:

N = (1/6000.0 cm) * sin(90°) / (450 × 10⁻⁷ cm) ≈ 6.

Therefore, the maximum number of bright bands that can be seen on the screen is approximately 6.

To Learn more about diffraction pattern here

https://brainly.com/question/3446565

#SPJ4

Consider the RLC circuit shown in the figure. w R V Select 'True, "False' or 'Cannot tell' for the following statements. The current through the inductor is the same as the current through the resistor at all times. The current through the inductor always equals the current charging/discharging the capacitor. The voltage drop across the resistor is the same as the voltage drop across the inductor at all times. Energy is dissipated in the resistor but not in either the capacitor or the inductor. Submit Answer Tries 0/12 What is the value of the inductance L so that the above circuit carries the largest current? Data: R = 2.39x102 12, f = 1.65x103 Hz, C = 6.10x10-3 F, Vrms = 9.69x101 v. Submit Answer Tries 0/12 Using the inductance found in the previous problem, what is the impedance seen by the voltage source? Submit Answer Tries 0/12

Answers

Statement 1: False. The current through the inductor is not always the same as the current through the resistor. It depends on the frequency and phase difference between the voltage source and the circuit components.

Statement 2: Cannot tell. The current through the inductor can be different from the current charging/discharging the capacitor depending on the frequency and phase relationship between the components.

Statement 3: False. The voltage drop across the resistor is not always the same as the voltage drop across the inductor. It depends on the frequency and phase relationship between the components.

Statement 4: False. Energy is dissipated in the resistor, but energy can also be stored and released in the capacitor and inductor as they store electrical energy in their electric and magnetic fields, respectively.

Regarding the value of inductance L that carries the largest current, the information provided (R, f, C, Vrms) is not sufficient to determine it.

To learn more about inductor, visit

https://brainly.com/question/31503384

#SPJ11

Corrin is flying a jet horizontally at a speed of 60.8 m/s and is 3,485 m above the ground when she drops a dragonball. How far in front of the release point does the dragonball hit the ground in meters? Assume there is no air resistance and that g = 14.8 m/s2

Answers

The dragonball hits the ground approximately 954.62 meters in front of the release point.

To find the horizontal distance traveled by the dragonball before hitting the ground, we can use the horizontal component of the jet's velocity.

Given:

Initial vertical displacement (h₀) = 3,485 mInitial vertical velocity (v₀) = 0 m/s (dropped vertically)Acceleration due to gravity (g) = 14.8 m/s²Horizontal velocity of the jet (v_jet) = 60.8 m/s

Since there is no horizontal acceleration, the horizontal velocity remains constant throughout the motion.

We can use the equation for vertical displacement to find the time it takes for the dragonball to hit the ground:

h = v₀t + (1/2)gt²

Since the initial vertical velocity is 0 and the final vertical displacement is -h₀ (negative because it is downward), we have:

-h₀ = (1/2)gt²

Solving for t, we get:

t = sqrt((2h₀)/g)

Substituting the given values, we have:

t = sqrt((2 * 3,485) / 14.8) ≈ 15.67 s

Now, we can find the horizontal distance traveled by the dragonball using the equation:

d = v_horizontal * t

Substituting the given value of v_horizontal = v_jet, we have:

d = 60.8 * 15.67 ≈ 954.62 m

Therefore, the dragonball hits the ground approximately 954.62 meters in front of the release point.

To learn more about horizontal acceleration, Visit:

https://brainly.com/question/14268089

#SPJ11

A 3.00-kg object is initially moving northward at 15.0 m/s. Then a force of 15.0 N, toward the east, acts on it for 4,70 s. At the end of the 4.70 s, what is magnitude of the object's final velocity?

Answers

The magnitude of the object's final velocity is approximately 20.5 m/s.

To determine the final velocity of the object, we need to calculate the change in velocity (Δv) caused by the applied force. The force applied to the object causes it to accelerate.

Given:

Mass of the object, m = 3.00 kg

Initial velocity, v₀ = 15.0 m/s (northward)

Force, F = 15.0 N (eastward)

Time, t = 4.70 s

To calculate the acceleration (a), we can use Newton's second law:

F = ma

Rearranging the equation, we have:

a = F / m

Substituting the values, we get:

a = 15.0 N / 3.00 kg = 5.00 m/s²

Now we can calculate the change in velocity:

Δv = a * t

Substituting the values, we have:

Δv = 5.00 m/s² * 4.70 s = 23.5 m/s (eastward)

To find the final velocity, we need to add the change in velocity to the initial velocity:

v = v₀ + Δv

Substituting the values, we have:

v = 15.0 m/s (northward) + 23.5 m/s (eastward)

To find the magnitude of the final velocity, we can use the Pythagorean theorem:

|v| = √(v_x² + v_y²)

where v_x and v_y are the horizontal and vertical components of the final velocity, respectively.

Since the initial velocity is purely northward and the change in velocity is purely eastward, the final velocity forms a right triangle. Therefore:

|v| = √(v_x² + v_y²) = √(0² + 23.5²) ≈ 20.5 m/s

Hence, the magnitude of the object's final velocity is approximately 20.5 m/s.

Learn more about Velocity here:

brainly.com/question/17127206

#SPJ11

Part A The observer in (Figure 1) is positioned so that the far edge of the bottom of the empty glass (not to scale) is just visible. When the glass is filled to the top with water, the center of the bottom of the glass is just visible to the observer. Find the height, H, of the glass, given that its width is W = 7.0 cm. Express your answer using two significant figures. || ΑΣφ ? H = 3.874 cm Submit Previous Answers Request Answer Figure X Incorrect; Try Again; 5 attempts remaining 1 of 1 Provide Feedback H W-

Answers

The height of the glass, H, is infinite (or very large), as the apparent shift in the position of the bottom of the glass is negligible when filled with water.

To solve this problem, we can use the concept of refraction and the apparent shift in the position of an object when viewed through a medium.

When the glass is empty, the observer can see the far edge of the bottom of the glass. Let's call this distance [tex]d^1[/tex].

When the glass is filled with water, the observer can see the center of the bottom of the glass. Let's call this distance [tex]d^2[/tex].

The change in the apparent position of the bottom of the glass is caused by the refraction of light as it passes from air to water. This shift can be calculated using Snell's law.

The refractive index of air ([tex]n^1[/tex]) is approximately 1.00, and the refractive index of water ([tex]n^2[/tex]) is approximately 1.33.

Using Snell's law: [tex]n^1sin(\theta1) = n^2sin(\theta2),[/tex]

where theta1 is the angle of incidence (which is zero in this case since the light is coming straight through the bottom of the glass) and theta2 is the angle of refraction.

Since theta1 is zero, [tex]sin(\theta1) = 0[/tex], and [tex]sin(\theta2) = d^2 / H[/tex], where H is the height of the glass.

Thus, n1 * 0 = [tex]n^2[/tex]* ([tex]d^2[/tex]/ H),

Simplifying the equation: 1.00 * 0 = 1.33 * ([tex]d^2[/tex]/ H),

0 = 1.33 * [tex]d^2[/tex]/ H,

[tex]d^2[/tex]/ H = 0.

From the given information, we can see that [tex]d^2[/tex] = W/2 = 6.6 cm / 2 = 3.3 cm.

Substituting this value into the equation: 3.3 cm / H = 0,

Therefore, the height H of the glass is infinite (or very large), since the shift in the apparent position of the bottom of the glass is negligible.

In summary, the height of the glass H is infinite (or very large) since the apparent shift in the position of the bottom of the glass is negligible when filled with water.

To know more about Snell's law

brainly.com/question/28203270

#SPJ4

A guitar string has a length L and a mass m (not counting the mass of the string wrapped around the pegs at the ends). If you would like to play a note with a fundamental frequency f, how tight must you make the string (a.k.a. what tension). Note that a guitar string is held in place so that there is a node at each end.

Answers

The tension (T) required to play a note with a fundamental frequency (f) on a guitar string with length (L) and mass (m) is given by T = 4mLf^2.

To determine the tension (T) required to achieve a desired fundamental frequency (f) on a guitar string, we can use the wave equation for the speed of a wave on a string.

The speed (v) of a wave on a string is given by the formula:

v = √(T/μ)

Where T is the tension in the string and μ is the linear mass density of the string, given by μ = m/L, where m is the mass of the string and L is the length of the string.

The fundamental frequency (f) of a standing wave on a string is related to the speed (v) and the length (L) of the string by the formula:

f = v / (2L)

By rearranging these formulas, we can solve for the tension (T) in terms of the desired frequency (f) and the properties of the string:

T = (4L^2μf^2)

Substituting μ = m/L into the equation:

T = (4L^2(m/L)f^2)

T = 4mLf^2

Therefore, the tension (T) required to play a note with a fundamental frequency (f) on a guitar string with length (L) and mass (m) is given by T = 4mLf^2.

To learn more about frequency: https://brainly.com/question/254161

#SPJ11

An RLC circuit is composed of an rms voltage of 141 V running at 60.0 Hz, a 41.4 ohm resistor, a 119mH inductor and a 610uF capacitor. Find the total reactance of the circuit.

Answers

The total reactance of the RLC circuit is -0.80 Ω.

Given the values of R, L, C, and frequency, the total reactance (X) of the circuit can be determined using the formula: X = X_L - X_C Where, X_L = inductive reactance and X_C = capacitive reactance. The inductive reactance can be determined using the formula:X_L = 2πfLWhere, f = frequency and L = inductance of the circuit.

The capacitive reactance can be determined using the formula: X_C = 1 / (2πfC)

Where, C = capacitance of the circuit. Now, let's calculate the inductive reactance: X_L = 2πfL = 2 × π × 60.0 × 0.119 = 44.8 Ω

Next, let's calculate the capacitive reactance: X_C = 1 / (2πfC) = 1 / (2 × π × 60.0 × 0.000610) = 45.6 Ω

Finally, let's calculate the total reactance:X = X_L - X_C = 44.8 - 45.6 = -0.80 ΩTherefore, the total reactance of the RLC circuit is -0.80 Ω.

Learn more about total reactance Here.

https://brainly.com/question/30752659

#SPJ11

Which type of force exists between nucleons? strong force electric force weak force gravitational force The mass of products in a fission reaction is ____ than the mass of the reactants. much less slightly less much more slighty more

Answers

The type of force that exists between nucleons is the strong force. It is responsible for holding the nucleus of an atom together by binding the protons and neutrons within it.

In a fission reaction, which is the splitting of a heavy nucleus into smaller fragments, the mass of the products is slightly less than the mass of the reactants.

This phenomenon is known as mass defect. According to Einstein's mass-energy equivalence principle (E=mc²), a small amount of mass is converted into energy during the fission process.

The energy released in the form of gamma rays and kinetic energy accounts for the missing mass.

Therefore, the mass of the products in a fission reaction is slightly less than the mass of the reactants due to the conversion of a small fraction of mass into energy.

Learn more about force at: https://brainly.com/question/12785175

#SPJ11

A charge particle moving at a speed of 263 m/s along the x-axis. A magnetic field of magnitude 0.5T along the y-axis. An electric field along the negative z-axis keeps the charge moving along the x-axis. What must be the value of the electric field?

Answers

To maintain the motion of a charged particle along the x-axis in the presence of a 0.5 T magnetic field along the y-axis, an electric field of approximately -131.5 N/C is required along the negative z-axis.

To determine the value of the electric field that keeps a charged particle moving along the x-axis in the presence of a magnetic field, we can use the Lorentz force equation.

The Lorentz force experienced by a charged particle moving in a magnetic field is given by the equation:

F = q * (v x B)

Where F represents the force, q is the charge of the particle, v denotes its velocity, and B represents the magnitude of the magnetic field.

In this scenario, the charged particle is moving along the x-axis with a velocity of 263 m/s and experiences a magnetic field of magnitude 0.5 T along the y-axis.

Since the force must act in the negative z-axis direction to counteract the magnetic force, we can write the Lorentz force equation as:

F = q * (-v * B)

The electric field (E) produces a force (F) on the charged particle given by:

F = q * E

By equating these two forces, we can write the following equation:

q * (-v * B) = q * E

q, the charge of the particle, appears on both sides of the equation and can be canceled out:

-v * B = E

Substituting the given values:

E = - (263 m/s) * (0.5 T)

E = - 131.5 N/C

Therefore, the value of the electric field must be approximately -131.5 N/C along the negative z-axis to keep the charged particle moving along the x-axis in the presence of a magnetic field of magnitude 0.5 T along the y-axis.

Learn more about electric field at: https://brainly.com/question/19878202

#SPJ11

A 4.00-m-long pole stands vertically in a freshwater lake having a depth of 2.25 m. The Sun is 3.5 above the horizontal. Determine the length of the pole's shadow on the bottom of the lake. Draw a careful picture, labeling the incident and refracted angle. What length of the pole lu above the waterm Need Help? Head it Watch

Answers

The length of the part of the pole above the water is 4 - 2.25 = 1.75 m and  the length of the pole's shadow on the bottom of the lake is = 0.75 m.

Pole length, l = 4 m

Depth of the lake, h = 2.25 m

Height of the sun, H = 3.5 m

In triangle ABE, we can apply Snell's law of refraction:

(sin θ1) / (sin θ2) = (v1) / (v2)

Where v1 and v2 are the speeds of light in the first and second media, respectively. In this case, we can take v1 as the speed of light in air and v2 as approximately 3/4 of its speed in air.

Substituting the values:

(sin θ1) / (sin θ2) = 4 / 3

By Snell's law of refraction:

θ2 = sin^(-1)((4sin θ1) / 3)

In triangle AEF, we can apply trigonometric ratios as follows:

tan θ1 = h / AE

tan θ2 = h / EF

Substituting the value of θ2:

tan θ1 = h / AE

tan(sin^(-1)((4sin θ1) / 3)) = h / EF

Squaring both sides:

tan^2(sin^(-1)((4sin θ1) / 3)) = (h^2) / (EF^2)

sin^2(sin^(-1)((4sin θ1) / 3)) = ((h^2) / (EF^2)) * (1 / (1 + tan^2(sin^(-1)((4sin θ1) / 3))))

cos^2(sin^(-1)((4sin θ1) / 3)) = 1 / (1 + tan^2(sin^(-1)((4sin θ1) / 3)))

But we know that:

cos^2(sin^(-1)((4sin θ1) / 3)) = 1 - sin^2(sin^(-1)((4sin θ1) / 3))

1 - sin^2(sin^(-1)((4sin θ1) / 3)) = 1 / (1 + tan^2(sin^(-1)((4sin θ1) / 3))))

sin^2(sin^(-1)((4sin θ1) / 3)) = 1 - (1 / (1 + tan^2(sin^(-1)((4sin θ1) / 3))))

Substituting the value of sin θ1:

sin^2(sin^(-1)((4 * (2.25 / AE)) / 3)) = 1 - (1 / (1 + tan^2(sin^(-1)((4 * (2.25 / AE)) / 3))))

Let x = EF, then:

(h^2) / (x^2) * (1 / (1 + (h / x)^2)) = 1 - (1 / (1 + (4h / (3x))^2))

(h^2) / (x^2 + h^2) = 1 / (1 + (4h / (3x))^2)

x^2 = (h^2) / (1 / (1 + (4h / (3x))^2)) - h^2

x^2 = (h^2) + ((4h / (3x))^2 * h^2) / (1 + (4h / (3x))^2)

(1 + (4h / (3x))^2) * x^2 = (h^2) + ((4h / 3)^2 * h^2)

x^2 = (h^2) / (1 + (16h^2) / (9x^2))

(1 + (16h^2) / (9x^2)) * x^2 = h^2 + ((4h / 3)^2 * h^2)

x^2 = (h^2) / 9

=> x = h / 3

Therefore, the length of the pole's shadow on the bottom of the lake is 2.25 / 3 = 0.75 m. The length of the part of the pole above the water is 4 - 2.25 = 1.75 m.

To learn more about length, refer below:

https://brainly.com/question/2497593

#SPJ11

Thorium-232 undergors radioactive decay until a stable isotope is reached. Write the reactions for the decay of Th-238. There are cleven steps beginning with Alpha decay with cach product

Answers

Thorium-232 (Th-232) is a radioactive isotope of thorium, a naturally occurring element. Thorium-232 is found in trace quantities in soil, rocks, and minerals and undergoes a series of decay reactions until a stable isotope is produced.

The decay of Th-232 begins with the emission of an alpha particle, which results in the formation of Ra-228, as shown below:

Th-232 → Ra-228 + α

The Ra-228 produced in this reaction is also radioactive and undergoes further decay reactions. The 11-step decay reactions for Th-232 are shown below:

Th-232 → Ra-228 + αRa-228

→ Ac-228 + β-Ac-228

→ Th-228 + β-Th-228

→ Ra-224 + αRa-224

→ Rn-220 + αRn-220

→ Po-216 + αPo-216

→ Pb-212 + αPb-212

→ Bi-212 + β-Bi-212

→ Po-212 + αPo-212

→ Pb-208 + αPb-208 is a stable isotope and represents the end product of the decay series.

To learn more about radioactive visit;

https://brainly.com/question/1770619

#SPJ11

When a 3.30 kg object is hung vertically on a certain light spring that obeys Kooke's law, the spring stretches 2.80 cm. How much work must an external agent to do stretch the same spring 4.00 cm from it's untrestshed position?

Answers

The work done by an external agent to stretch the spring 4.00 cm from its unstretched position is 0.34 J.

Given, the mass of the object, m = 3.30 kg

Stretched length of the spring, x = 2.80 cm = 0.028 m

Spring constant, k = ?

Work done, W = ?

Using Hooke's law, we know that the restoring force of a spring is directly proportional to its displacement from the equilibrium position. We can express this relationship in the form:

F = -kx

where k is the spring constant, x is the displacement, and F is the restoring force.

From this equation, we can solve for the spring constant: k = -F/x

Given the mass of the object and the displacement of the spring, we can solve for the force exerted by the spring:

F = mg

F = 3.30 kg * 9.81 m/s²

F = 32.43 N

k = -F/x

K = -32.43 N / 0.028 m

K = -1158.21 N/m

Now, we can use the spring constant to solve for the work done to stretch the spring 4.00 cm from its unstretched position.

W = (1/2)kΔx²W = (1/2)(-1158.21 N/m)(0.04 m)²

W = 0.34 J

Therefore, the work done by an external agent to stretch the spring 4.00 cm from its un-stretched position is 0.34 J.

To know more about Hooke's law visit:

https://brainly.com/question/30156827

#SPJ11

Calculate the ratio of the resistance of 10.0 m of aluminum wire 2.2 mm in radius, to 24.0 m of copper wire 1.8 mm in radius fos=2.65 ×10 ^−1 ams PCu=1.68 10 ^−8 Ωm ) 1:3 2:1 3:1 1:2 How much charge is passing on an iron rod with a cross-sectional diameter of 2.3 mm and a length of 56 cm, with a voltage of 165v clocking at 3.56sec as it passes from tip to tip of the rod? (atomic number of Fe=26;rho=9.71×10 ^−8 Ω ) 4.49×104me 4.49×104c 4.49×104KC 4.49×104Mc How much charge will the toaster consume in 1 hour? 13.4Kc 1.34Kc 50.23Kc 5.02Kc

Answers

The correct answer is 4.49 × 10^4 C, or 4.49 × 10^4 Mc. First, let's calculate the ratio of the resistance of the aluminum wire to the copper wire. The resistance of a wire can be determined using the formula: R = (ρ * L) / A,

Where R is the resistance, ρ is the resistivity, L is the length of the wire, and A is the cross-sectional area of the wire.

For the aluminum wire:

Length (L₁) = 10.0 m,

Radius (r₁) = 2.2 mm = 0.0022 m,

Resistivity (ρAl) = 2.65 × 10^(-8) Ωm.

Calculating the cross-sectional area (A₁) of the aluminum wire:

A₁ = π * r₁^2.

For the copper wire:

Length (L₂) = 24.0 m,

Radius (r₂) = 1.8 mm = 0.0018 m,

Resistivity (ρCu) = 1.68 × 10^(-8) Ωm.

Calculating the cross-sectional area (A₂) of the copper wire:

A₂ = π * r₂^2.

Now we can calculate the resistance of each wire:

Resistance of aluminum wire (R₁) = (ρAl * L₁) / A₁,

Resistance of copper wire (R₂) = (ρCu * L₂) / A₂.

Finally, we can determine the ratio of the resistance of the aluminum wire to the copper wire:

Ratio = R₁ / R₂.

For the second part of the question, to calculate the charge passing through the iron rod, we need to use the formula:

Q = I * t,

where Q is the charge, I is the current, and t is the time.

To find the current, we can use Ohm's law:

I = V / R,

where V is the voltage and R is the resistance of the rod. The resistance of the rod can be calculated using the formula:

R = (ρ * L) / A,

where ρ is the resistivity, L is the length of the rod, and A is the cross-sectional area of the rod.

For the iron rod:

Diameter (d) = 2.3 mm = 0.0023 m,

Length (L) = 56 cm = 0.56 m,

Voltage (V) = 165 V,

Resistivity (ρFe) = 9.71 × 10^(-8) Ωm.

Calculating the cross-onal area (A) of the iron rod:
A = π * (d/2)^2.

Calculating the resistance of the rod:
R = (ρFe * L) / A.

Calculating the current (I) using Ohm's law:
I = V / R.

Finally, calculating the charge (Q) passing through the iron rod using Q = I * t, where t = 3.56 sec.

For the last part of the question, to calculate the charge consumed by the toaster in 1 hour, we need to use the formula:

Q = P * t,

where Q is the charge, P is the power consumed by the toaster, and t is the time.

Assuming the toaster power consumption is given in kilocalories per hour (Kc/h), we can calculate the charge (Q) using the formula Q = P * t, where P = 50.23 Kc/h and t = 1 hour.

By calculating the numerical values using the provided formulas and substituting the given values, we can determine the answers to each question.

Learn more about resistance here: brainly.com/question/29427458

#SPJ11

8. What is the change in momentum that occurs when a 1.0 kg ball traveling at 3.0 m/s strikes a wall and bounces back at 1.0 m/s?. 9. What would be your gravitational potential energy at the top of 20 meter tree if your mass was 60kg?. 10. How much energy would you consume daily if you kept a lightbulb of 20 watts on all day long?. 11. What is the density of an object of mass 2kg and a volume of 0.5 cubic meters?. a 12. If an object that has a volume of 4 cubic meters is inserted in a liquid, how much liquid would it displace?. Explain. 13. An object that is 1 meter under water, experiences a pressure of 10 kg*m/s2. A. What is the density of the liquid?. B. What would be the pressure if it was 2 meters under water?

Answers

Density of the liquid is 4 kg/m³. and its pressure if it was 2 meters under water is  19.9 kg*m/s².

Change in momentum is equal to the initial momentum minus the final momentum.

Here the initial momentum is given by;

p1 = m*v1

= 1.0 kg × 3.0 m/s

= 3.0 kg m/s.

The final momentum can be found by using the given mass of the ball and the final velocity, i.e.,

p2 = m*v2

= 1.0 kg × (-1.0 m/s)

= -1.0 kg m/s.

Therefore, change in momentum is;

Δp = p1 - p2 =

3.0 kg m/s - (-1.0 kg m/s)

= 4.0 kg m/s.

Δp = 4.0 kg m/s.9.

The gravitational potential energy is given by;

GPE = mgh

where, m = mass,

g = gravitational acceleration, and

h = height from the reference level.

Here, m = 60 kg, g = 9.8 m/s², and

h = 20 m.

Therefore,

GPE = mgh = 60 kg × 9.8 m/s² × 20 m

= 11,760 J.

GPE = 11,760 J.

The energy consumed by the light bulb can be found by multiplying the power rating with the time it is used. Here, the power rating of the bulb is 20 W and it is kept on for the entire day, i.e., 24 hours. Therefore,

energy consumed = power × time

= 20 W × 24 h

= 480 Wh

= 0.48 kWh.

Energy consumed = 0.48 kWh.

The density of an object is given by the ratio of its mass to its volume, i.e.,

ρ = m/V. Here, the mass of the object is given as 2 kg and its volume is given as 0.5 cubic meters.

Therefore, density of the object is;

ρ = m/V

= 2 kg/0.5 m³

= 4 kg/m³.

Density = 4 kg/m³.

We know that the pressure in a liquid depends on its density and depth. Here, the pressure is given as 10 kg*m/s², and the depth is given as 1 m. Therefore, density of the liquid is given by the relation;

P = ρgd

where,

ρ = density of the liquid,

g = gravitational acceleration, and

d = depth.

Substituting the given values, we get;

ρ = P/gd

= 10 kg*m/s²/9.8 m/s² × 1 m

= 1.02 kg/m³.

Density of the liquid = 1.02 kg/m³.

The pressure at a depth of 2 m can be found using the relation;

P = ρgd.

Here, we already know the density of the liquid and the gravitational acceleration.

Therefore, the pressure is; P = ρgd

= 1.02 kg/m³ × 9.8 m/s² × 2 m

= 19.9 kg*m/s².

Pressure = 19.9 kg*m/s².

To know more about momentum visit :

brainly.com/question/30677308

#SPJ11

As shown in the sketh below, a steam pipe of 0.12-m inside diameter is insulated with a layer of calcium silicate. 1. Ts,1} Steam 2. Ts.2} Insulation (a) If the insulation is 15 mm thick and its inner and outer surfaces are maintained at T₁,1 = 800 K and T2 = 490 K, respectively, what is the rate of heat loss per unit length (q') of the pipe, in W/m? (b) Determine the rate of heat loss per unit length (q'), in W/m, and outer surface temperature T2, in K, for the steam pipe with the inner surface temperature fixed at T1 = 800 K, inner radius r₁ = 0.06 m, and outer radius r₂ = 0.18 m. The outer surface is exposed to an airflow (T = 25°C) that maintains a convection coefficient of h = 25 W/m²-K and to large surroundings for which Tsur = To = 25°C. The surface emissivity of calcium silicate is approximately 0.8.

Answers

(a) the rate of heat loss per unit length through the insulation layer is approximately 11.4 W/m.

(b) the outer surface is exposed to an airflow and the surroundings are at Tsur = To = 25°C, we have h = 25 W/m

Since the outer surface is exposed to an airflow and the surroundings are at Tsur = To = 25°C, we have h = 25 W/m

To solve this problem, we can apply the principles of heat transfer and use the appropriate equations for conduction and convection.

(a) To find the rate of heat loss per unit length (q') through the insulation layer, we can use the equation for one-dimensional heat conduction:

q' = -k * A * (dT/dx)

Where:

- q' is the rate of heat transfer per unit length (W/m)

- k is the thermal conductivity of calcium silicate (W/m-K)

- A is the cross-sectional area perpendicular to the heat flow (m²)

- dT/dx is the temperature gradient across the insulation layer (K/m)

First, let's calculate the temperature gradient dT/dx across the insulation layer. Since the inner and outer surfaces of the insulation are maintained at T₁,₁ = 800 K and T₂ = 490 K, respectively, and the insulation is 15 mm thick (0.015 m), the temperature gradient can be calculated as:

dT/dx = (T₂ - T₁,₁) / (x₂ - x₁)

where x₁ = 0 and x₂ = 0.015 m are the positions of the inner and outer surfaces of the insulation layer, respectively.

dT/dx = (490 K - 800 K) / (0.015 m - 0) = -20,000 K/m

Next, we need the thermal conductivity of calcium silicate (k). The value is not provided, so let's assume a typical value of k = 0.05 W/m-K for calcium silicate insulation.

Now, we can calculate the cross-sectional area A of the insulation layer:

A = π * (r₂² - r₁²)

where r₁ = 0.06 m is the inner radius and r₂ = 0.075 m (r₁ + 0.015 m) is the outer radius of the insulation layer.

A = π * (0.075² - 0.06²) = 0.0114 m²

Finally, we can calculate the rate of heat loss per unit length (q'):

q' = -k * A * (dT/dx) = -0.05 W/m-K * 0.0114 m² * (-20,000 K/m) ≈ 11.4 W/m

Therefore, the rate of heat loss per unit length through the insulation layer is approximately 11.4 W/m.

(b) To find the rate of heat loss per unit length (q') and the outer surface temperature (T₂) of the steam pipe, we need to consider both conduction and convection heat transfer.

The rate of heat transfer per unit length through the insulation layer can be calculated using the same formula as in part (a):

q'₁ = -k * A * (dT/dx)

where k, A, and dT/dx are the same values as in part (a).

Now, let's calculate the rate of heat transfer per unit length from the outer surface of the insulation layer to the surroundings through convection:

q'₂ = h * A₂ * (T₂ - Tsur)

where h is the convection coefficient (W/m²-K), A₂ is the outer surface area of the insulation layer (m²), T₂ is the outer surface temperature (K), and Tsur is the surrounding temperature (K).

The outer surface area of the insulation layer is:

A₂ = 2 * π * r₂ * L

where L is the length of the insulation layer.

Since the outer surface is exposed to an airflow and the surroundings are at Tsur = To = 25°C, we have h = 25 W/m

Visit here to learn more about heat transfer brainly.com/question/13433948
#SPJ11

A physical pendulum consists of a uniform rod that can swing freely from one end, with a small, heavy bob attached to the other end. If the length of the rod is 2.55 m, and the mass of the bob and the rod are both 1.4 kg, what is the period of this pendulum?

Answers

The period of the physical pendulum with a uniform rod of length 2.55 m and a mass of 1.4 kg for both the bob and the rod is approximately 3.35 seconds.

The period of a physical pendulum depends on the length of the pendulum and the acceleration due to gravity. The formula to calculate the period of a physical pendulum is:

T = 2π√(I / (mgh))

Where T is the period, I is the moment of inertia of the pendulum, m is the mass of the pendulum, g is the acceleration due to gravity, and h is the distance between the center of mass of the pendulum and the pivot point.

For a uniform rod rotating about one end, the moment of inertia is given by:

I = (1/3) * m * L²

Where L is the length of the rod.

Plugging in the given values, we have:

I = (1/3) * 1.4 kg * (2.55 m)² = 2.45 kg·m²

Substituting this value and the known values of m = 1.4 kg, g = 9.8 m/s², and h = L/2 = 1.275 m into the period formula, we get:

T = 2π√(2.45 kg·m²/ (1.4 kg * 9.8 m/s² * 1.275 m)) ≈ 3.35 s

Therefore, the period of this physical pendulum is approximately 3.35 seconds.

To learn more about mass click here brainly.com/question/11954533

#SPJ11

When analyzing the acceleration of gases as they flow through a nozzle, what would you choose as your system? describe the system boundaries. what type of system is this?

Answers

When analyzing the acceleration of gases flowing through a nozzle, the system we would choose is the gas flow within the nozzle. The system boundaries would be defined by the inlet and outlet of the nozzle, encompassing the region where the gas is undergoing acceleration.

This system is considered an open system because mass is continuously flowing in and out of it. In this case, the gas enters the nozzle at the inlet, undergoes acceleration as it passes through the converging and diverging sections, and exits at the outlet. The system boundaries separate the gas flow from its surroundings, allowing us to focus on the specific processes occurring within the nozzle.

By selecting this system, we can analyze the acceleration of gases as they pass through the nozzle, considering factors such as changes in velocity, pressure, and temperature. This analysis helps us understand the performance and efficiency of the nozzle and its impact on the gas flow.

In summary, when analyzing the acceleration of gases flowing through a nozzle, we would choose the gas flow within the nozzle as the system. The system boundaries would be defined by the nozzle inlet and outlet. This system is classified as an open system since mass is continuously flowing in and out of it.

To know more about open system, refer to the link below:

https://brainly.com/question/29975362#

#SPJ11

A boat motor is rated at 56000W. What is the fastest it can do
42000J of work?
0.75s
1.33s
8.93s
14000s

Answers

The boat motor, rated at 56,000 watts, can perform 42,000 joules of work in approximately 0.75 seconds. Therefore, the correct option is (a).

In order to determine the time it takes for the motor to do a certain amount of work, we can use the formula:

Work = Power × Time

Given that the work is 42,000 joules and the power is 56,000 watts, we can rearrange the formula to solve for time:

Time = Work / Power

Plugging in the values, we get:

Time = 42,000 J / 56,000 W = 0.75 s

Therefore, the fastest the boat motor can perform 42,000 joules of work is approximately 0.75 seconds.

The power rating of a motor represents the rate at which work can be done. In this case, the boat motor has a power rating of 56,000 watts. This means that it can deliver 56,000 joules of energy per second. When we divide the work (42,000 joules) by the power rating (56,000 watts), we get the time it takes for the motor to perform the given amount of work. In this scenario, the boat motor can complete 42,000 joules of work in approximately 0.75 seconds. It's important to note that this calculation assumes that the motor is operating at its maximum power continuously.

Hence, the correct option is (a) 0.75 seconds.

To learn more about work here brainly.com/question/29266754

#SPJ11

ertically polarized light of intensity l, is incident on a polarizer whose transmission axis is at an angle of 70° with the vertical. If the intensity of the transmitted light is measured to be 0.34W/m2, the intensity lo of the incident light is O 0.99 W/m2 O 0.43 W/m2 O 1.71 W/m2 O 2.91 W/m2

Answers

The intensity lo of the incident light is determined to be 1.71 W/m2. So, the correct option is c.

According to the question, vertically polarized light of intensity l, is incident on a polarizer whose transmission axis is at an angle of 70° with the vertical. If the intensity of the transmitted light is measured to be 0.34 W/m2, the intensity lo of the incident light can be calculated as follows:

Given, Intensity of transmitted light, I = 0.34 W/m²

           Intensity of incident light, I₀ = ?

We know that the intensity of the transmitted light is given by:

I = I₀cos²θ

Where θ is the angle between the polarization direction of the incident light and the transmission axis of the polarizer.

So, by substituting the given values in the above equation, we have:

I₀ = I/cos²θ = 0.34/cos²70°≈1.71 W/m²

Therefore, the intensity lo of the incident light is 1.71 W/m2.

Learn more about intensity of the light at https://brainly.com/question/28145811

#SPJ11

Two 70.7 cm long wires run parallel to each other and are separated by a distance of 1.80 cm. Wire A has a current of 1.35 A, and wire B has a current of 2.75 A in the same direction.
What is the magnitude of the magnetic force of wire B on wire A?

Answers

The magnitude of the magnetic-force of wire B on wire A is approximately 1.69 x 10^(-5) N.

The magnetic force between two parallel conductors can be calculated using the formula:

F = (μ₀ * I₁ * I₂ * ℓ) / (2πd)

Where:

F is the magnetic force,

μ₀ is the permeability of free space (constant),

I₁ and I₂ are the currents in the wires,

ℓ is the length of the wires, and

d is the separation distance between the wires.

Substituting the given values into the formula, we can calculate the magnitude of the magnetic force exerted by wire B on wire A:

F = (4π * 10^(-7) T·m/A * 1.35 A * 2.75 A * 0.707 m) / (2π * 0.018 m)

Simplifying the equation, we find that the magnitude of the magnetic force is approximately 1.69 x 10^(-5) N.

To learn more about magnetic-force , click here : https://brainly.com/question/10353944

#SPJ11

A long, straight wire lies along the x-axis and carries current I₁ = 2.50 A in the +x-direction. A second wire lies in the xy-plane and is parallel to the x-axis at y = +0.800 m. It carries current I₂ = 7.00 A, also in the +x-direction. Part A In addition to y→[infinity], at what point on the y-axis is the resultant magnetic field of the two wires equal to zero? Express your answer with the appropriate units. μА ? y = Units Submit ■ Value Request Answer

Answers

The problem involves two parallel wires, one carrying current I₁ and the other carrying current I₂. The goal is to find the point on the y-axis where the resultant magnetic field of the two wires is zero.

To determine the point on the y-axis where the resultant magnetic field is zero, we can use the principle of superposition. The magnetic field at a point due to a current-carrying wire is given by the Biot-Savart law.

By considering the contributions of the magnetic fields generated by each wire separately, we can find the point where their sum cancels out. Since the wires are parallel to the x-axis, the magnetic fields they generate will be in the y-direction.

At a point on the y-axis, the magnetic field due to the wire carrying current I₁ will have a component in the negative y-direction, while the magnetic field due to the wire carrying current I₂ will have a component in the positive y-direction. By adjusting the distance on the y-axis, we can find a point where the magnitudes of these two components are equal, resulting in a net magnetic field of zero.

To determine this point precisely, we would need to calculate the magnetic fields generated by each wire at different positions on the y-axis and find where their sum is zero.

Learn more about Parallel wires:

https://brainly.com/question/9758294

#SPJ11

Other Questions
XYZ corp. has 20,000 shares of common stocks outstanding that are currently traded for $13 per share and have a rate of return of 5.80%. They also have 4,000 shares of 5.90% preferred stocks that are selling for $69.5 per share. The preferred stock has a par value of $100. Finally, they have 7,000 bonds outstanding that mature in 11 years, have par value (face value) of $1,000, and sell for 97.5% of par. The yield-to-maturity on the debt is 3.40%.What is the XYZ's weighted average cost of capital if the tax rate is 21%? Its a good idea to explain any lengthy gaps in your employment history. Choose the sentence that best explains Micheles recent lapse in employment.a.Micheles sentence works best for to explain the gap in her employment.b.I previously held a position as inventory control associate at Bedrooms & Beyond, until I was laid off at the beginning of the COVID-19 pandemic lockdown in Philadelphia. Everyone was laid off, but I was one of the last to go. I requested for furlough, but they said they could not give that to me.c.I previously held a position as inventory control associate at Bedrooms & Beyond, until I was laid off at the beginning of the COVID-19 pandemic lockdown in Philadelphia.d.I was laid off from my last inventory control position for reasons beyond my control. A mass m = 1.81 kg hangs at the end of a vertical spring whose top end is fixed to the ceiling. The spring has spring constant k = 86 N/mand negligible mass. The mass undergoes simple harmonic motion when placed in vertical motion. At time t = 0 the mass is observed to be at a distance d =0.55 m below its equilibrium height with an upward speed of vo = 4.1 m/s 1. (1 p) A circular loop of 200 turns and 12 cm diameter is designed to rotate 90 in 0.2 sec. Initially, the loop is placed in a magnetic field such that the flux is zero and then the loop is rotated 90. If the electromotive force induced in the loop is 0.4 mV, what is the magnitude of the magnetic field? Question 10 A 1000-kg car experiences a net force of 9500 N while slowing down from 30 m/s to 136 m/s How far does it travel while slowing down? 41 m 45 m 34 mi O 38 m Please review the following prompts. Please include the number of the prompt you are responding to in your submission. Your must use references to historical developments and quotations from the provided documents to support your responses. Every response should incorporate evidence in the form of quotations.How can Amistad, Prigg, and Ableman be seen as contributing to the collapse of compromise and the outbreak of the Civil War? please explain in full detail Skekch the graph of the given function by determining the appropriate information and points from the first and seoond derivatives. y=3x336x1 What are the coordinates of the relative maxima? Select the correct choice below and, if necessary, fil in the answer box to complete your choice. A. (Simplify your answer. Type an ordered pair. Use integers or fractions for any numbers in the expression. Use a comma to separare answers as needed) B. There is no maximum. What are the cocrdinates of the relative minima? Select the contect choice below and, If necessary, fil in the answer box to complete your choice. A. (Simplify your answer. Type an ordered pair. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as naeded.) B. There is no minimum. What are the coordinates of the points of inflection? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. Do you have "more fun in a fun activity when there are others around to enjoy the activity with you? In their experiment, Reis et al. (2017) randomly assigned participants to one of three conditions involving the block game Jenga, where players build a block tower as high as they can while avoiding having it fall over. In one condition, the participants played alone. In a second condition, they played with a stranger. In the final condition, they played with a friend. After the game, participants were asked, "How much fun did you have playing Jenga?" with ratings of slightly to extremely on a 6-point Likert scale. All participants were escorted into the same laboratory and given the same instructions on how to play Jenga. The experimenter encouraged participants to do whatever they needed to do in order to enjoy their experience. Although the experimenter stayed in the room, the experimenter did not interact with the participants while they played the game. This was done to ensure that participants stayed on task and to permit the experimenter to surreptitiously take notes on how long participants spent building the tower. Results showed that participants reported having significantly less fun when playing alone than when playing with a stranger, though participants playing with a stranger had significantly less fun than participants playing with a friend. A. Did the study establish covariance (a change in one variable led to a change in the other)? Explain. B. Did the study establish temporal precedence (a change in one variable preceded a change in the other)? Explain. C. Did the study eliminate alternative explanations? Explain. D. Is the study design causal (experimental), correlational, or quasi-experimental? In a physics laboratory experiment, a coil with 150 turns enclosing an area of 12 cm2 is rotated in a time interval of 0.050 s from a position where its plane is perpendicular to the earth's magnetic field to a position where its plane is parallel to the field. The earth's magnetic field at the lab location is 6.0105 T.A. What is the magnetic flux through each turn of the coil before it is rotated?B. What is the magnetic flux through each turn of the coil after it is rotated?C.What is the average emf induced in the coil? 4) A jumbo jet cruises at a constant velocity of 1000 kom/h when the thrusting force of its engines is a constant 100,000 N. a. What is the acceleration of the jet? b. What is the force of air friction (air resistance or air drag) on the jet? __________ involves using programs to search social networking sites to try to match sentences or phrases to consumer feelings.a. Predictive analysisb. Sentiment analysisc. Differential analysisd. Emotional contagion analysis One more question thank you 1A.In frontal cortex, fMRI activity elicited by task-relevant target stimuli is generally observed in __________________ while to activity elicited by emotional stimuli is generally observed in ______________ .a. none of these are correct.b. inferior frontal regions, dorsolateral frontal regionsc. dorsolateral frontal regions, inferior frontal regionsd. inferior frontal regions, anterior cingulate cortex1B. When infants imitate another person, they represent the goal state of that person's behaviors and do not just mimic the motor behaviors themselves.Select one:TrueFalse Consider a beam of electrons in a vacuum, passing through a very narrow slit of width 2.00 um. The electrons then head toward an array of detectors a distance 1.032 m away. These detectors indicate a diffraction pattern, with a broad maximum of electron intensity (i.e., the number of electrons received in a certain area over a certain period of time) with minima of electron intensity on either side, spaced 0.493 cm from the center of the pattern. What is the wavelength X of one of the electrons in this beam? give 5 example of adjectival phrase Consider a four year bond with nominal value 100 and coupon 4. The yield curve is flat at y = 0.025. Calculate the change of the present value of the bond for a yield change of +100 basis points using (i) the exact calculation, (ii) duration approximation, and (iii) duration and convexity approximation. Question 11(Multiple Choice Worth 2 points)(11.02 HC)What type of climate would you predict at the top of Mount Everest, which has a height of 8,848 meters? A mix of different climates because of its proximity to the ocean Polar climate because of its high elevation above sea level Temperate climate because of its distance from the equator Tropical climate because of its location at low latitudeQuestion 12(Multiple Choice Worth 2 points)(11.01 LC)What climate zone includes much of North America, Europe, and Asia? Temperate zone Polar zone Pacific zone Tropical zoneQuestion 13(Multiple Choice Worth 2 points)(11.02 MC)John is going on a summer trip and can either stay at the Banks hotel near the ocean, or the Diamond hotel which is far inland. John wants to have warm weather and no rain on his trip. Which hotel should John stay at? The Banks hotel, because water from the ocean warms up the surrounding air in the summer. The Banks hotel, because the water from the ocean heats up faster than land in the summer. The Diamond hotel, because inland regions have less precipitation and warm faster than areas near oceans. The Diamond hotel, because the ocean will carry warm air towards the inland regions.Question 14(Multiple Choice Worth 2 points)(11.04 LC)Which of the following describes the mountain environment? Dry and hot with few trees and sandy soil Open land covered with grass and flowers Temperatures decrease at higher elevations Thick layer of trees and branches called a canopyQuestion 15(Multiple Choice Worth 2 points)(11.02 MC)What is a similarity between the temperate climate zone and polar climate zone? Both climate zones get less than 100 cm of precipitation in a year. Both climate zones have average yearly temperature of around 25C. The polar and temperate climate zones have hot and dry summers. They have hot summers and cold winters because they are close to the ocean.Question 16(Multiple Choice Worth 2 points)(11.04 MC)How are a rainforest and a swamp similar? They are dry year-round. They have cold temperatures year-round. They have high levels of humidity. They have low levels of precipitation.Question 17(Multiple Choice Worth 2 points)(11.04 LC)Which environment is characterized by high humidity and high precipitation levels year round? Desert Mountain Rainforest TundraQuestion 18(Multiple Choice Worth 2 points)(11.01 LC)Which of the following best describes the location of all climate zones? Found near the equator Located in areas north of the equator Located in areas north or south of the equator Located in areas south of the equatorQuestion 19(Multiple Choice Worth 2 points)(11.04 MC)The T-chart compares the average temperature, precipitation, and humidity of two different environments. Which of the following correctly labels the environments?a t-chart with one column labeled A listing: Temperature Range: -18 degrees Celsius (-0.4 degrees Fahrenheit) to 10 degrees Celsius (50 degrees Fahrenheit), Precipitation: 0 to 50 cm, Low humidity (0-10%);and another column labeled B listing: Temperature Range: 2 degrees Celsius (35 degrees Fahrenheit) to 24 degrees Celsius (75 degrees Fahrenheit), Precipitation Range: 25 to 200 cm, High humidity (80-90%) A is a grassland, and B is a desert. A is a mountain, and B is a swamp. A is a rainforest, and B is a mountain. A is a swamp, and B is a tundra.Question 20(Multiple Choice Worth 2 points)(11.02 MC)What type of climate is experienced by cities that are close to large bodies of water as compared to inland cities at the same latitude? Bigger changes in temperature and lower levels of precipitation Hotter temperatures and a bigger range of different types of precipitation Milder temperatures and higher levels of precipitation Much lower temperatures and lower levels of precipitation A particle with a charge of -1.24 X 10 C is moving with instantaneous velocity * = (4.19 X 10m/s)i + (-3.85 x 10 m/s) Part A What is the force exerted on this particle by a magnetic field B = (2.30 T) ir Enter the I, y, and a components of the force separated by commas. V AC ? F. Fy, F = N Submit Previous Answers Request Answer * Incorrect; Try Again; 4 attempts remaining Part B What is the force exerted on this particle by a magnetic field B = (2.30 T)k? Enter the r, y, and a components of the force separated by commas. VALP ? Fs. F. F. = N Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Suppose that a spacecraft of mass 6.9 x 10^4 kg at rest in space fires its rocket X achieve a speed of 5.2 x 10^3 m/s. How much work has the fuel done on the spacecraft? A resistor, an inductor, and a capacitor are connected in series to an alternating power source of maximum voltage 240 V. The resistance is 75.0 , the inductance is 42.0 mH, and the capacitance is 54.0 pF. At some frequency, the inductive and capacitive reactances are equal, and the impedance is at a minimum. This is called the "resonance frequency of the circuit. Find the resonance frequency of this circuit. Steam Workshop Downloader