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April 21, 2014

Homework Help: Physics

Posted by Andy on Sunday, February 5, 2012 at 11:12pm.

At serve, a tennis player aims to hit the ball horizontally. What minimum speed is required for the ball to clear the 0.91 m high net about L = 15.1 m from the server if the ball is "launched" from a height of H = 2.55 m?
How far from the end of the service box (which is a distance of S = 7.20 m from the net) will the ball land if it just clears the net? Use the positive direction if the ball is good (i.e. lands within the service box). How long will it be in the air?

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