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27 May, 00:20

An elevator weighing 15,000 newtons is raised one story in 50 seconds. if the distance between stories is 3.0 meters, how much power is required of the motor?

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  1. 27 May, 04:20
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    Power is force multiplied by the velocity, expressed as P = F * d/t where d is distance and t is time. d/t is termed also as velocity. Substituting the given date where F is equal to 15000 newtons, distance is equal to 3 meters and t is equal to 50 seconds, power is equal to 900 Joules per second or 900 watts.
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