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What is the required size of a motor in watts to raise an elevator

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It takes an elevator 3.5 minutes to raise a vehicle with a mass of 351 kg from the floor to a height of 8 meters. What size (power) motor (in watts) does it take to do the job?

Hint: this is a multiple step problem in which you must derive the variables needed to solve for problem in step one and then apply those values to the final solution of the problem.

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The expert determines what the required size of a motor in watts to raise an elevator are determined.

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Watts question (power)
It takes an elevator 3.5 minutes to raise a vehicle with a mass of 351 kg from the floor to a height of 8 ...

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