1.

A ball collides head-on with another at rest having 3 times the mass of first with a velocity of 1 ms^(-1). If the coefficient of restitution is 0.8, then velocities of the two after the collision will be:

Answer»

`- 0.35 MS^(-1)` and `0.45 ms^( 1)`
`- 0.45 ms^(-1)` and `0.35 ms^( 1)`
`- 0.35 ms^(-1)` and `-0.45 ms^( 1)`
`- 0.45 ms^(-1)` and `-0.35 ms^( 1)`

ANSWER :a


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