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August 29, 2015

Homework Help: physics

Posted by em on Wednesday, May 4, 2011 at 6:05pm.

Starting from rest, a 4.4 kg block slides 3.5 m down a rough 22.3o incline in 2.4 seconds. Determine the energy lost due to friction. (Hint: find the final kinetic energy and subtract that from the work done by gravity.)

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