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Answer to Question #165629 in Physics for Michael

Question #165629

A 645-N man rides an elevator. If 250.0 W is needed to lift a person 6.00 m, how long will it take for the elevator to lift the man?


1
Expert's answer
2021-02-22T10:20:01-0500

By the definition of the power, we have:


"P=\\dfrac{W}{t}=\\dfrac{mgh}{t},""t=\\dfrac{mgh}{P}=\\dfrac{645\\ N\\cdot6.0\\ m}{250\\ W}=15.5\\ s."

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