Thursday
December 18, 2014

Homework Help: Physics

Posted by Jazmin on Sunday, October 21, 2012 at 2:44pm.

a 0.2kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds up at 25 m/s. If the ball is in contact with the sidewalk for 0.025s, what is the magnitude of the average force applied by the sidewalk on the ball?
I need steps on how to do this including equations ASAP!

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