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A body of mass m moving with a velocity ...

A body of mass m moving with a velocity v strikes a statioinalry body of mass m and sticks to it. What is the speed of the system?

A

2v

B

v

C

`v/2`

D

`v/3`

Text Solution

Verified by Experts

The correct Answer is:
D
Forward momentum of the bullet
= Backward momentum of the gun
`therefore mv=MV`
`thereforev=(mv)/M=(0.1times100)/50=10/50`
`therefore` The velocity of recoil =`0.2m//s`
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