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A body of mass ‘M’ collides against a wa...

A body of mass ‘M’ collides against a wall with a velocity v and retraces its path with the same speed. The change in momentum is (take initial direction of velocity as positive)

A

Zero

B

2 Mv

C

Mv

D

`-2Mv`

Text Solution

Verified by Experts

The correct Answer is:
D
`DeltaP=P_t-P_i=(-Mv)-(Mv)=-2Mv`
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