Physics

Physics, 22.10.2019 04:20, JanetQ2002

Work is required to lift a barbell. how many times more work is required to lift the barbell three times as high

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Physics, 23.08.2019 12:30, kimlyn58p0wyn0

Awoman eats a cupcake and proposes to work off its 400-kj content by exercising with a 15-kg barbell. if each lift of the barbell from the chest height to overhead is through 60 cm and the efficiency of her body under these circumstances is 10% how many times must she lift the barbell?

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Physics, 17.10.2019 13:30, rileyeddins1010

Pablo prepares to lift a barbell. during which stage of the lift does pablo do work on the barbell? when he holds the barbell up above his head when he applies force to the barbell but has not moved it when he lifts the barbell from the floor to his chest when he lets go of the barbell and allows it fall to the ground

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Work is required to lift a barbell. how many times more work is required to lift the barbell three t...

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