A disc spinning with 24J of kinetic energy is kept in a container cont – McqOptions

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1.	A disc spinning with 24J of kinetic energy is kept in a container containing a fluid having a heat capacity of 2000J/K. When the disc comes to rest what will be the change in internal energy if U = 3.5 T.
A.	0
B.	0.042J
C.	0.021J
D.	0.028J
Answer» C. 0.021J

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