Work Energy And Power Question 108

Question: A space craft of mass M is moving with velocity V and suddenly explodes into two pieces. A part of it of mass m becomes at rest, then the velocity of other part will be [RPMT 1999]

Options:

A) MVMm

B) MVM+m

C) mVMm

D) (M+m)Vm

Show Answer

Answer:

Correct Answer: A

Solution:

After explosion m mass comes at rest and let Rest (Mm) mass moves with velocity v. By the law of conservation of momentum MV=(Mm)v
therefore v=MV(Mm)



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