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Physics, 23.10.2019 18:00 dondre54

Askier of mass 60 kg is pulled up a slope by a motor-driven cable. (a) how much work is required to pull him 75 m up a 30° slope (assumed frictionless) at a constant speed of 2.4 m/s? kj (b) what power (expressed in hp) must a motor have to perform this task?

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