1.

A 2 kg ball moving at 24 ms undergoes inelastic head on collision with a 4 kg ball moving in the opposite direction at 48 ms. If the coefficient of restitution is 2/3, their velocities in ms-after impact are

Answer»

`-56, -8`
`-28, -4`
`-14, -2`
`-7,-1`

Answer :A


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