Question: A ( n ) 3 . 6 - kg copper block is given an initial speed of 8 . 7 m / s on a

A(n)3.6-kg copper block is given an initial speed of 8.7 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. (b) What happens to the remaining energy?

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