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Physics 21 Online
OpenStudy (anonymous):

Starting from rest, a 4.80-kg block slides 2.40 m down a rough 30.0° incline. The coefficient of kinetic friction between the block and the incline is μk = 0.436. (a.) Determine the work done by the force of gravity. (b) Determine the work done by the friction force between block and incline. -Both are in Joules

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