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A body of mass 6kg travelling with a vel...

A body of mass 6kg travelling with a velocity 10 m/s collides head - on and elastically with a body of mass 4kg travelling at a speed 5 m/s in opposite direction. The velocity of the second body after the collision is

A

0 m/s.

B

6 m/s

C

8 m/s

D

`13 ms^(-1)`

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The correct Answer is:
D
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