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July 30, 2015

Homework Help: Physics

Posted by Ashley on Sunday, February 13, 2011 at 4:39pm.

A 4.2-kilogram block sliding down a ramp from a height of 4.5 meters above the ground reaches the ground with a kinetic energy of 33 joules. The total work done by friction on the block as it slides down the ramp is approximately:

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