An elevator ascends from the ground floor to the 10th floor, a height of 41 m, in 35 s
Chapter 6, Problem 61(choose chapter or problem)
An elevator ascends from the ground floor to the 10th floor, a height of 41 m, in 35 s. If the mass of the elevator and passengers is 840 kg, whats the power necessary to lift the elevator? (Your answer is greater than the actual power needed because elevators are counterweighted, thus reducing the work the motor needs to do.)
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