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Perfectly Elastic Collision

A body of mas...

Question

A body of mass m having an initial velocity v, makes head on elastic collision with a stationary body of mass M. After the collision, the body of mass m comes to rest and only the body having mass M moves. This will happen only when

A

m >> M

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B

m << M

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C

m = M

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D

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Solution

The correct option is C
m = M

Velocity exchange takes place when the masses of bodies are equal in head on elastic collision

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