dolphine233 dolphine233

03-04-2015
Mathematics

contestada

a woman lifts a 300 newton child a distance of 1.5 meters in 0.75 seconds. What is her power output in lifting the child?

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Rayallstar23 Rayallstar23

03-04-2015

Power = Work done / time

Work done = Force * Distance
= 300 N * 1.5 m = 450 J

Power = 450 / 0.75 = 600 Watts.

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