Wednesday
April 1, 2015

Homework Help: college physics

Posted by Mohanad on Wednesday, March 26, 2014 at 2:32am.

A 0.240-kg billiard ball that is moving at 3.00 m/s strikes the bumper
of a pool table and bounces straight back at 2.40 m/s (80% of its original
speed). The collision lasts 0.0150 s. (a) Calculate the average force
exerted on the ball by the bumper. (b) How much kinetic energy in joules
is lost during the collision? (c) What percent of the original energy is left

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