Physics, 19.07.2019 01:10 Ajaxr2432

A1.0-kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces up with a velocity of 12 m/s upward. what is the change in momentum of the ball?

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A1.0-kg ball has a velocity of 12 m/s downward just before it strikes the ground and bounces up with...