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A body of mass m collides elastically wi...

A body of mass m collides elastically with another body at rest and then continues to move in the original continues to move in the original direction with one half of its original speed. mass of the body is

A

m kg

B

`2/3` m kg

C

`m/3` kg

D

`m/2` kg

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The correct Answer is:
C
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