Monday
September 22, 2014

Homework Help: physics

Posted by elizabeth on Saturday, September 14, 2013 at 8:32pm.

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A tennis ball with a speed of 11.4 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 8.64 m/s. If the ball is in contact with the wall for 0.0104 s, what is the average magnitude of acceleration of the ball while it is in contact with the wall?

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