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Work performed by skier

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A skier of mass 69.3 kg is pulled up a slope by a motor-driven cable.

(a) How much work is required to pull him a distance of 59.0 m up a 30.4° slope (assumed frictionless) at a constant speed of 1.97 m/s?

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

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a) Work=Force*distance.
The force to pull him up must be equal to the ...

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