Question
Asked Apr 2, 2019
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Name
Phs 101
Quiz 3
(Spring 2019)
1) What would be the power output (in hp) if a 1750 kg car if it can ascend to the top of a 285 m hig
hill in 1.25 minutes?
2) 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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Name Phs 101 Quiz 3 (Spring 2019) 1) What would be the power output (in hp) if a 1750 kg car if it can ascend to the top of a 285 m hig hill in 1.25 minutes? 2) 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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Expert Answer

Step 1

1)

Find the energy consumed by the car, by using law of conservation for energy.

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Step 2

Substituting the values,

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Step 3

Find the output powe...

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Work,Power and Energy

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