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?

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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?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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