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A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. (a) how much power is used to lift the man? (b) If the man’s body is 25% efficient, how much power does he expend?
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Sep 6, 2024
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A man of mass 80 kg runs up a flight of stairs 20 m high in 10 s. (a) how much power is used to lift the man? (b) If the man’s body is 25% efficient, how much power does he expend?
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Zaratustra
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Answer:
Step-by-step explanation:
(b)
(0.25)(800)
P= 200 m^(3)/s
SpazDude
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Sep 13, 2024
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