A 62-kg cross-country skier glides over snow as in the figure below. The coeffic

Physics
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62-kg cross-country skier glides over snow as in the figure below. The coefficient of friction between skis and snow is 0.16. Assume all the snow beneath her skis is at 0°C and that all the internal energy generated by friction is added to snow, which sticks to her skis until it melts. How far would she have to ski to melt 2.5 kg of snow?

 m

Jun 19th, 2015

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62 x10 x0.16 x 273 /25

10.8meters.....................................................

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Jun 19th, 2015

wrong

Jun 19th, 2015

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