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A mass m(1) moves with a great velocity....

A mass `m_(1)` moves with a great velocity. It strikes another mass `m_(2)` at rest in head-on collision. It comes back along its path with low speed after collision. Then

A

`m_(1)gtm_(2)`

B

`m_(1)ltm_(2)`

C

`m_(1)=m_(2)`

D

There is no relation between `m_(1)` and `m_(2)`

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A
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