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A weightlifter lifts a 200 Kg barbell 4m using 800W of power. How long did this take?
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A weightlifter lifts a 200 Kg barbell 4m using 800W of power. How long did this take?

User Yeouuu
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1 Answer

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Answer:

9.8 seconds

Step-by-step explanation:

Power = work / time

work = F * d = 200kg ( 9.81 m/s^2 ) * 4 m = 7818 J

800 W = 7818 J / t t = ~ 9.8 seconds

User Sospedra
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