Physics, 19.07.2019 15:40, payshencec21

A4.3-g object moving to the right at 22 cm/s makes an elastic head-on collision with a 8.6-g object that is initially at rest. what is the velocity of the 4.3-g mass after the collision?

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A4.3-g object moving to the right at 22 cm/s makes an elastic head-on collision with a 8.6-g object...