Posted by becky on Tuesday, September 28, 2010 at 6:07pm.
If the green ball bounces upward from the ground with a speed of 20 m/s (immediately after it hit the ground), calculate the momentum of the ball as it goes upward immediately after hitting the ground

physics  Damon, Tuesday, September 28, 2010 at 7:32pm
mass times vlocity
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