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24-02-2021
Physics

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A 102 kg man climbs a 5.0-meter-high stair case at constant speed. How much work does he do?

Respuesta :

PiaDeveau PiaDeveau

01-03-2021

Answer:

Work done = 4,998 J

Explanation:

Given:

Mass m = 102 kg

Height h = 5 m

Find:

Work done

Computation:

Work done = mgh

g = gravitational acceleration = 9.8m/s²

Work done = (102)(9.8)(5)

Work done = 4,998 J

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