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A 60.0 kg skier is moving at 6.15 m/s on a frictionless, horizontal snow-covered plateau when...

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Physics

A 60.0 kg skier is moving at 6.15 m/s on a frictionless,horizontal snow-covered plateau when she encounters a rough patch3.95 m long. The coefficient of kinetic friction between this patchand her skis is 0.330. After crossing the rough patch and returningto friction-free snow, she skis down an icy, frictionless hill 2.95m high.

How fast is the skier moving when she gets to the bottom of thehill?

How much internal energy was generated in crossing the roughpatch?

Answer & Explanation Solved by verified expert
4.5 Ratings (839 Votes)
Givenmass of the skier m 60 kginitial speed u 615 msheight h 295 mcoefficient of kinetic friction    See Answer
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