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A 1kg ball moving at 12 ms^(-1) collides...

A 1kg ball moving at `12 ms^(-1)` collides head on with a 2kg ball moving in the opposite direction at 24 m/s. The velocity of each ball after the impact, if the coefficient of restitution is 2/3, is

A

`-28 m//s , -4 m//s`

B

`-20 m//s , -4 m//s`

C

20 m/s , 24 m/s

D

28 m/s, -4 m/s

Text Solution

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The correct Answer is:
A
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