Physics, 22.01.2021 02:50 alex7881

A red billiard ball moving at 4 m/s hits a green one of equal mass which is at rest. If the collision is perfectly elastic, what are the speeds of the red and the green ball after the collision ?

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A red billiard ball moving at 4 m/s hits a green one of equal mass which is at rest. If the collisio...

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