Asked by logan

A piece of iron block moves across a rough horizontal surface before coming to rest. The mass of the block is 1.8 kg, and its initial speed is 3.8 m/s. How much does the block's temperature increase, if it absorbs 69% of its initial kinetic energy as internal energy? The specific heat of iron is 452 J/(kg · °C).
Answered by logan
=(1/2 m v^2)(.69)/(m C)
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