A) \[mv\]
B) \[m\frac{v}{2}\]
C) \[-2\,m\,v\]
D) 0
Correct Answer: A
Solution :
Impulse = change in momentum \[=mv\cos {{60}^{o}}-(-mv\cos {{60}^{o}})\] \[=2mv\,\cos {{60}^{o}}=2mv(1/2)=mv\] Hence, the correction option is [a].You need to login to perform this action.
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