An insulated container containing monoatomic

Question:

 An insulated container containing monoatomic gas of molar mass m is moving with a velocity vo. If the container is suddenly stopped, find the change in temperature.

Solution:

The final KE of the gas = 0

Change in KE, ∆K= 1/2 (nm)v2

∆T is the change in the temperature

∆U = nCv∆T

∆K = ∆U

∆T = mv02/3R

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