How much work is required to pull skier
A skier of mass 72 kg is pulled up a slope by a motor-driven cable.
(a) How much work is required to pull him 65 m up a 30° slope (assumed frictionless) at a constant speed of 2.7 m/s?
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How much work is required to pull him 65 m up a 30° slope (assumed frictionless) at a constant speed of 2.7 m/s?
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