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April 16, 2014

Homework Help: physics

Posted by Kelly on Friday, July 29, 2011 at 7:33pm.

An extreme skier, starting from rest, coasts down a mountain slope that makes an angle 25.0 with the horizontal. The coefficient of kinetic friction between her skis and the snow is 0.200. She coasts for a distance of 13.8 m before coming to the edge of a cliff. Without slowing down, she skis off the cliff and lands downhill at a point whose vertical distance is 4.50 m below the edge. How fast is she going just before she lands?

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