A) \[\frac{MV}{M-m}\]
B) \[\frac{MV}{M+m}\]
C) \[\frac{mV}{M-m}\]
D) \[\frac{(M+m)V}{m}\]
Correct Answer: A
Solution :
After explosion m mass comes at rest and let Rest \[(M-m)\] mass moves with velocity v. By the law of conservation of momentum \[MV=(M-m)v\] Þ \[v=\frac{MV}{(M-m)}\]
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