Question: An escalator in a shopping center is designed to move 50 people, 75 kg each, at a constant speed of 0.6 m/s at 458 slope.

An escalator in a shopping center is designed to move 50 people, 75 kg each, at a constant speed of 0.6 m/s at 458 slope. Determine the minimum power input needed to drive this escalator. What would your answer be if the escalator velocity were to be doubled?

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