Question
Question: The internal energy of gas contained in a beaker is U. If the box starts moving with velocity v then...
The internal energy of gas contained in a beaker is U. If the box starts moving with velocity v then internal energy of the gas will be –
A
U only
B
> U
C
< U
D
The value of v must be known
Answer
U only
Explanation
Solution
Internal energy of a system is PE +KE. in the frame of reference relative to which centre of mass is at rest.