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September 18, 2014

Homework Help: Physics

Posted by Anonymous on Saturday, January 28, 2012 at 7:38pm.

A tennis ball is thrown horizontally from an elevation of 20.60 m above the ground with a speed of 21.0 m/s?

Where is the ball after 2.00 s?

vertical m from the ground?
If the ball is still in the air, how long before it hits the ground? (If the ball is not in the air, enter 0.)
s?
If the ball is still in the air, where will it be with respect to the starting point once it lands? m

please helpp thnks

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