Question 3: Prove that the average excited phonons satisfy the Boltzmann- Einstein distribution (or Planck distribution).

Q: The amplitude of the wave shown is ---.

A: Answer is (d)  2 m, explanation is in next step

Q: What is the meaning of physics

A: Physics is a  branch of science deals with the nature and properties of matter and energy. In the…

Q: 10.0 m. Y 500 N T₁ 3.0 m 6.0 m X

A:

Q: The speed 72 km/hour. What is the in-SI system of units?

A: The SI unit of speed is m/s.   Where m = meter,  s = second

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A: Free body diagram:

Q: water n = 19m calculate fir A r FH Th 3m 4m 3h

A:

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A:

Q: Om=2.78 |h=31m Find P.E g=10m ls2

A:

Q: incorrect. ahhhh

A:

Q: Assume that the brakes in your car result in a constant deceleration of magnitude a, which is…

A: Let the initial and final velocities of the car be denoted as u1 and v. Use the third kinematic…

Q: A rod with a lies abng the x ox's os 'shown. Chorge der s shown. Chorge %3D so woniB 5; pas aut Jo}…

A: The solution of thi question is

Q: 6x² - 19 = 0

A: Solving the equation x² = 19/6

Q: 55F=k

A: Required :  55 F in Kelvin

Q: When a hypothetical diatomic molecule having atoms 0.8860 nm apart undergoes a rotational transition…

A: Given, r=0.8860 nm l=2

Q: 1.) Which of the following correctly represents a closec

A: Close circuit makes complete path for flow of current.  In figure B, circuit is broken . In figure C…

Q: Which of the following cross-sectional areas will have the largest second moment of area? a. Solid…

A: We know that the Second moment of area is also known as the area moment of inertia of the shape, it…

Q: If we have : A=-3i+5j-k B=i-j-3k Calculate a)the unit vector u in A direction b) magnitude of B c)…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: 4. Analytically solve: 3m N+ 5m S+ 2m S+ 7m W+ 4m E

A: Given 3m N + 5m S + 2m S + 7m W + 4m E  Expressing in terms of i and j  Taking i as positive x-axis…

Q: How many scale does the device has ?  A. One  B. Two  C. Three  D. None

A: The device in the given picture is a Vernier caliper.

Q: Solve for r. r+P = S 8

A:

Q: cs Find the forces on the wall and on the floor. L Ladder = 12m Weight Ladder = 98 N 75 kg Mass of…

A:

Q: Solution does not match any of the possible solutions. Not sure problem was worked correctly? A)…

A:

Q: In the figure, block 1 has mass m₁ = 450 g, block 2 has mass m₂ = 510 g, and the pulley is on a…

A:

Q: same magnitude F. If there is no friction between block b and the table, and there is enough…

A: E

Q: Using the letters, match each prefix with the multiplier it represents. V V V V x 10-6 x 106 x 10-3…

A: The given prefix are associated with multiplier as per their definition.

Q: 18.) Determine the amount of energy, in joules, stored in a defibrillator's 17.0 – µF capacitor that…

A:

Q: 5. You measure the mass of an unknown object and obtain measurements of 25.6 g and 25.3 g. What is…

A:

Q: Perform the indicated operations for the following measured values: a. 3.815 g x 1.0410 g = b.…

A: According to question--- what is perform indicated ?

Q: (a) A shell is shot with an initial velocity vo of 20 m/s, at an angle of = 00 60° with the…

A:

Q: A rod has length 2 meters. At a distance x meters from its left end, the density of the rod is given…

A: Given Density of rod δ(x)=2+6x And length of the rod is 2m. Let's take a small element of length dx…

Q: Write a new scenario using different units

A: Magnitude is 15 .Direction is 25º North of East.

Q: kg.m а. 68 mg.µm to hr2 ms? b. 49mg/ст3 to ng/mm3

A: (a) The conversion is shown below : 68 mg.μmms2×1 Kg106 mg×10-6 m1 μm×1 ms22.778×10-72 hr2=881.14…

Q: Don't use chat gpt It

A: Step 1:Step 2:Step 3: