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Two billiard balls each of mass 0 .05 kg...

Two billiard balls each of mass 0 .05 kg moving in opposite directions with speed `6 ms^(-1)` collide and rebound with the same speed What is the impulse imparted to each ball due to the other ?

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The correct Answer is:
`-1.6 kg ms ^(-1),+1.6 kg ms ^(-1)`
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