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April 17, 2014

Homework Help: Physics

Posted by James on Friday, June 1, 2012 at 10:11pm.

Suppose you throw a 0.054-kg ball with a speed of 11.5 m/s and at an angle of 31.8 above the horizontal from a building 13.1 m high.

(a) What will be its kinetic energy when it hits the ground?
(b) What will be its speed when it hits the ground?

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