A 62 kg skier coasts up a snow-coveredhill that makes an angle of 25° with the horizontal. Theinitial speed of the skier is 7.3 m/s.After coasting a distance of 1.9 m up the slope, the speed of theskier is 3.0 m/s.
(a) Find the work done by the kineticfrictional force that acts on the skiis.


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