A 63-kg skier coasts up a snow-covered hill that makes an
Chapter , Problem 84(choose chapter or problem)
A 63-kg skier coasts up a snow-covered hill that makes an angle of 258 with the horizontal. The initial speed of the skier is 6.6 m/s. After coasting 1.9 m up the slope, the skier has a speed of 4.4 m/s. (a) Find the work done by the kinetic frictional force that acts on the skis. (b) What is the magnitude of the kinetic frictional force?
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