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A skier of mass 71.0 kg is pulled up a slope by a motor-driven cable.

(a) How much work is required to pull him a distance of 57.5 m up a 31.0° slope (assumed frictionless) at a constant speed of 2.20 m/s?

(b) A motor of what power is required to perform this task?

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Reference No.:- M91071385

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