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?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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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?
Transcribed Image Text: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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