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A particle of mass m1 makes a head on el...

A particle of mass `m_1` makes a head on elastic collision with another stationary body of mass `m_2`, If `m_1` rebounds with half of its original speed then `(m_1 /m_2)` is

A

3

B

`1/3`

C

`3/2`

D

`3/2`

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