Question
Asked Apr 1, 2019
How much time will it take for a 12.5-hp electric motor to lift an elevator weighing 1850 Ib by 3
floors (30. ft)? What would be the average velocity of the elevator during this time?
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How much time will it take for a 12.5-hp electric motor to lift an elevator weighing 1850 Ib by 3 floors (30. ft)? What would be the average velocity of the elevator during this time?

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check_circleExpert Solution
Step 1

Given,

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Step 2

Acc. due to gravity act on elevator in downward direction. If the elevator velocity is constant then the tension (upward force) in the cable of the elevator is equal to the downward force due to weight.

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Step 3

Power consumed by an ...

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Work,Power and Energy

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