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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

`+` 4 m/s for both

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
If masses are equal and collision is elastic, then velocity exchanges i.e. `v_1 = -5m//s, v_2 = 3m//s.`
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