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Posted by on Thursday, April 29, 2010 at 11:34pm.

A 61.8 kg skier coasts up a snow-covered hill that makes an angle of 26.0° with the horizontal. The initial speed of the skier is 6.10 m/s. After coasting a distance of 1.86 m up the slope, the speed of the skier is 4.48 m/s. Calculate the work done by the kinetic frictional force that acts on the skis.

  • Physics - , Thursday, April 29, 2010 at 11:36pm


    for the change in PE, use the slope distance and sine of the angle to get change in height.

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