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An 800 n student runs up a flight of stairs rising 8 m in 3


(A) 25 kg mass is lifted a vertical distance of 23 m in a time of 6 s. What average power was employed?

(B) 80 kW engine is used to lift a 1200 kg load. What is the average velocity of the lift?

(C) An 800 N student runs up a flight of stairs rising 8 m in 3 s. What is the average power expended?

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Physics: An 800 n student runs up a flight of stairs rising 8 m in 3
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