8) An electric motor with an output of 25kW provides a power for the elevator of a seven-story building. If the total mass of the loaded elevator is 1000kg, what is the minimum time needed for it to rise 40m from the ground floor?

8) An electric motor with an output of 25kW provides a power for the elevator of a seven-story building. If the total mass of the loaded elevator is 1000kg, what is the minimum time needed for it to rise 40m from the ground floor?

Name: 8) An electric motor with anoutput of 25kW provides apower for the el
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Description: 8) An electric motor with anoutput of 25kW provides apower for the elevator of aseven-story building. If thetotal mass of the loadedelevator is 1000kg, what isthe minimum time neededfor it to rise 40m from theground floor?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section10.1: Work And Energy

Problem 13PP

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