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English, 30.11.2020 21:40 jdudjdn2891

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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Pablo prepares to lift a barbell. During which stage of the lift does Pablo do work on the barbell?...
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