A woman uses a pulley and a rope to raise a 20 kg weight to a height of 2 m. If it takes 4 s to do this, about how much power is she supplying? A. 100 W B. 200 W C. 300 W D. 400 W

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A woman uses a pulley and a rope to raise a
20 kg weight to a height of 2 m. If it takes 4
s to do this, about how much power is she
supplying?
A. 100 W
В. 200 W
C. 300 W
D. 400
W
Transcribed Image Text:A woman uses a pulley and a rope to raise a 20 kg weight to a height of 2 m. If it takes 4 s to do this, about how much power is she supplying? A. 100 W В. 200 W C. 300 W D. 400 W
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