Posted by Fallon on Sunday, May 9, 2010 at 6:44pm.
A 64.9 kg skier coasts up a snowcovered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier is 8.67 m/s. After coasting a distance of 1.92 m up the slope, the speed of the skier is 4.33 m/s. Calculate the work done by the kinetic frictional force that acts on the skis.

physics  Anonymous, Friday, November 4, 2016 at 4:22pm
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