An escalator is needed to carry 80 passengers per minute a, Physics

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An escalator is needed to carry 80 passengers per minute a

An escalator is needed to carry 80 passengers per minute a vertical distance of 7.0 meter. Mass of each passenger is 65 kilogram.

a) Determine the total amount of work?

b) Determine the power of motor needed? (in kilowatts)

c) Express this in horsepower (hp)

d) Determine the power in Kilowatts of the motor needed if 35 percent of the power is lost to friction and other losses.

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Physics: An escalator is needed to carry 80 passengers per minute a

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