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February 27, 2015

Homework Help: physics

Posted by Jessica on Monday, October 4, 2010 at 8:22pm.

A .15kg ball is dropped from a height of 14 m to the ground below, and hits the ground with a speed of 12 m/s.

With what speed would the ball have hit the ground if there were no air resistance?

How much work does the air resistance do on the ball?

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