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During a rockslide, a 282-kg rock slides from rest down a hillside that is 344. m...

During a rockslide, a 282-kg rock slides from rest down a hillside that is 344. m high and 442. m long (i.e., parallel with surface of the hill). The average coefficient of kinetic friction between the rock and the hill surface is 0.300. How fast is the rock traveling when it reaches the bottom of the hill?

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