A skier of mass 63 kilogram is pulled up a slope by a


A skier of mass 63 kilogram is pulled up a slope by a motor-driven cable.

(a) Determine how much work is required to pull him 75 meter up a 30 degree slope (assumed frictionless) at a constant speed of 2.0 m/s?

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(b) Obtain what power must a motor have to perform this task?

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Physics: A skier of mass 63 kilogram is pulled up a slope by a
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