Physics (AS & A Level) · May / June 2020 · Paper 12 · Question 17
An escalator in an underground station has 25 people standing on it and is moving with a speed of 4.3 m s⁻¹. The average mass of a person is 78 kg and the angle of the escalator to the horizontal is 40°. What is the minimum power required to lift these people?
- A5.4 kW
- B6.4 kW
- C53 kW
- D63 kW
As printed in the paper
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Correct answer: C. 53 kW
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