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December 22, 2014

Homework Help: Physics

Posted by Ali on Monday, October 24, 2011 at 10:06pm.

Sam, whose mass is 72.0 kg, takes off down a 51.0 m high, 11.0^\circ slope on his jet-powered skis. The skis have a thrust of 180 N. Sam's speed at the bottom is 43.0 {\rm m/s}. What is the coefficient of kinetic friction of his skis on snow?

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