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April 19, 2014

Homework Help: physics

Posted by John on Wednesday, October 23, 2013 at 10:09pm.

A place kicker must kick a football from a point 34.0 m (about 37 yd) from the goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked, the ball leaves the ground with a speed of 21.0 m/s at an angle of 56◦ to the horizontal.
To determine if the ball clears the crossbar, what is its height with respect to the crossbar when it reaches the plane of the crossbar? The acceleration of gravity is 9.81 m/s2 .
Answer in units of m

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