A body of mass M collides with a wall with velocity V and rebounds with the same speed. Its change in momentum is equal to :
Zero
MV
2MV
3MV
A
Zero
B
MV
C
2MV
D
3MV
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Solution
Verified by Toppr
ΔP=P1−P2[ change in momentum]
=MV−(−MV)=−2MV
negative sign denotes direction.
Hence option C is correct.
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