Physics, 18.01.2021 06:20 dannyelleparker9680
A motor is used to raise a lift of mass 200 kg and 4 passengers each of whom has an average mass of 65
kg. They wish to go to the third floor, which is 12 m above them. If the motor is 45% efficient, what
input of electrical energy is required?
Give your answer in kJ.
(Show work)
Answers: 1
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