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Two equal masses m1 and m2 moving along ...

Two equal masses `m_1` and `m_2` moving along the same straight line with velocites `+3 m//s` and `- 5 m//s` respectively collide elastically. Their velocities after the collision will be respectively.

A

`+4m//s` for both

B

`-3m//s` and `+5m//s`

C

`-4m//s` and `+4m//s`

D

`-5m//s and +3m//s`

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The correct Answer is:
D
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