BraydonK129152 BraydonK129152

25-10-2022
Physics

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A 150 pound man runs up a stairway 20 feet above ground level in 15s. How much work did the man do?

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CharvikK162588 CharvikK162588

25-10-2022

Given:

h = height = 20 ft = 6.096 m

m = 150 pound = 68.0389 kg

time = 15 s

g= 9.8 m/s^2

Potential energy = mgh = (68.0389 ) (9.8 ) (6.096 ) = 4,064.7 J

Work done = 4,064.7 J

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