A) \[\frac{4V}{A-4}\]
B) \[\frac{2V}{A-4}\]
C) \[\frac{4V}{A+4}\]
D) \[\frac{2V}{A+4}\]
Correct Answer: A
Solution :
According to conservation of momentum \[4v=(A-4)v'\] Þ \[v'=\frac{4v}{A-4}\].You need to login to perform this action.
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