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Please write legibly and write out all equations and units.

Please show all steps. Algebra-based physics only please.

15. An 89 kg man runs up a flight of stairs as shown in the figure. What average “useful power” must the man exert to get to

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Answer #1

A Fang (15) Power applied , P= F.TO ou Pef Veace Average Speed, in d = 1/2442 mis Vc-\m/ , Fe mg (89 X9:8) N and coso e Ñ , P

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