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OpenStudy (anonymous):
the power expended when a 10N barbell is raised 2.0 m in 2 s is watts
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OpenStudy (anonymous):
Use these formulas: Work = Force*Distance Power = Work/Time Work = Force*Distance = (10 N)*(2.0 m) = 20 J Power = Work/Time = (20 J)/(2 s) = 10 W So, the answer is 10watts
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