dicenroad7765 dicenroad7765

21-02-2018
Physics

contestada

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

Respuesta :

demariaa01 demariaa01

21-02-2018

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

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