Physics
Physics, 04.11.2020 18:20, sky724

A 4.0-kg ball with a velocity of in the collides head-on elastically with a stationary 2.0-kg ball. What are the velocities of the balls after the collision

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A 4.0-kg ball with a velocity of in the collides head-on elastically with a stationary 2.0-kg ball....

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