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Answer on Other Physics Question for Gin love blue

Question #56497
3/A 60.0-kg skier starts from rest at the top of a ski slope 65.0 m high.
(a) A frictional forces do 10.5 kJ 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 k = 0.20. 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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