A 60 kg skier skis a distance of d200 m down a q15o incline, Ask an Expert

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A 60 kg skier skis a distance of d=200 m down a q=15o incline starting from rest. His speed at the bottom of the hill is 5 m/s. (8 points)

a) What was the NET work done on the skier?

b) What was the work done by friction?

c) What was the average frictional force?

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