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Grade: upto college level 

                        
A fully loaded freight elevator has a total mass of 1220 kg. It is required to travel downward 54.5 m in 43.0 s. The counter-weight has a mass of 1380 kg . Fine the power output, in hp, of the elevator motor. Ignore the work required to start and shop the elevator; that is, assume that it travels at constant speed.
5 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
471 Points 
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5 years ago
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