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A 75.0-kg firefighter climbs a flight of stairs 28.0 m high. How much work does he do?
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A 75.0-kg firefighter climbs a flight of stairs 28.0 m high. How much work does he do?

User Marrs
by
4.3k points

1 Answer

6 votes

Answer:

20.58 kJ

Step-by-step explanation:

mass, m = 75 kg

height, h = 28 m

Work = m x g x h

W = 75 x 9.8 x 28

W = 20580 J

W = 20.58 kJ

Thus, the work done is 20.58 kJ.

User Hijiangtao
by
3.7k points
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