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September 2, 2015

Homework Help: physics

Posted by Anonymous on Wednesday, April 11, 2012 at 9:56pm.

A 1.4-kg copper block is given an initial speed of 2.0 m/s on a rough horizontal surface. Because of friction, the block finally comes to rest.
(a) If the block absorbs 85% of its initial kinetic energy as internal energy, calculate its increase in temperature.

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