Physics, 24.08.2019 11:00 doughboy123

Aweightlifter lifts a 1000 newton barbell above his head from the floor to a height of 2.5 meters. he holds the barbell there for 5 seconds. how much work does he do during the 5 second interval?

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Aweightlifter lifts a 1000 newton barbell above his head from the floor to a height of 2.5 meters. h...

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