A) \[3v\]
B) \[\frac{v}{2}\]
C) \[v/3\]
D) \[2v\]
Correct Answer: C
Solution :
According to conservation of momentum \[{{m}_{1}}{{v}_{1}}+{{m}_{2}}{{v}_{2}}=({{m}_{1}}+{{m}_{2}})v\] \[mv+{{m}_{2}}\times 0=(m+2m)v\] So, \[v=\frac{v}{3}\]You need to login to perform this action.
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