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billu77
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Homework Statement
Problem A skier starts from rest at the top of a frictionless incline of height 20.0 m which makes an angle of 20 degrees with the horizontal. As the bottom of the incline, the skier encounters a horizontal surface where the coefficient of kinetic friction between skis and snow is 0.210.
Find the horizontal distance the skier travels before coming to rest if the incline also has a coefficient of kinetic friction equal to 0.210.
The Attempt at a Solution
-mg(mu) cos 20 = -1/2 mv ^2
-g cos 20 = -1/2 v ^2
unable to get the right answer...pls help
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