Solved: A 60.0-kg skier starts from rest at the top of a
Chapter 7, Problem 7.62(choose chapter or problem)
A 60.0-kg skier starts from rest at the top of a ski slope 65.0 m high. (a) If frictional forces do of work on her as she descends, how fast is she going at the bottom of the slope? (b) Now moving horizontally, the skier crosses a patch of soft snow, where If the patch is 82.0 m wide and the average force of air resistance on the skier is 160 N, how fast is she going after crossing the patch? (c) The skier hits a snowdrift and penetrates 2.5 m into it before coming to a stop. What is the average force exerted on her by the snowdrift as it stops her?
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