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http://www.jiskha.com/display.cgi?id=1350232603
a skier of mass 70.0kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 60.0 m up a 35.0 degree slope (assumed to be frictionless) at a constant speed of 2.0m/s? The Value of g is 9.81 m/s^2?
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