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April 21, 2014

Homework Help: physics

Posted by Anonymous on Saturday, June 1, 2013 at 2:02pm.

When serving, a tennis ball is almost motionless when it is slammed by the racquet. A force sensor in an experimental tennis racquet measures a force of 80 N during the impact with a 0.058 kg tennis ball. The
impact lasts for 0.04 seconds. If the ball was at rest initially, what is its speed after the impact with the racquet?

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