A weight lifter lifts 150 kg to a height of 2m in 10 seconds. What is the power used? Remember, the force of an objects weight = mass x gravity A. 30W B. 1,500W C. 294 W D. 330W

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asked Jan 15, 2019 75.8k views

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A weight lifter lifts 150 kg to a height of 2m in 10 seconds. What is the power used? Remember, the force of an objects weight = mass x gravity

A. 30W
B. 1,500W
C. 294 W
D. 330W

Physics
high-school

Cory Gagliardi asked

by Cory Gagliardi

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1 Answer

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P=W/t=2940/10=294 W
W=F•s
W=m•g•s
W=150×9.8×2
W=2940 J

Addo Solutions answered Jan 20, 2019

by Addo Solutions

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