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April 20, 2014

Homework Help: science

Posted by bittubeniwal on Monday, June 17, 2013 at 6:49am.

What is the acceleration of a tennis ball if initially it comes toward the player's racquet at 20 m/s, and it leaves in the opposite direction at 24 m/s? A high-speed camera indicates the time of impact of 4.0 ms.

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