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A body of mass m collides against a wall...

A body of mass m collides against a wall with the velocity v and rebounds with the same speed. Its magnitude of change of momentum is

A

`2"mu"` towards the wall

B

`2"mu"` away from the wall

C

zero

D

`"mu"` away from the wall

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaP=m(v-u)`
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