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Physics, 13.04.2021 18:20 ayoismeisjjjjuan
At the gym, a man pulls a bar on a machine that works the muscles of the upper back. It takes him 0.5 seconds to raise 30 kilograms of weight a vertical distance of 0.5 meters. Which of these exerts the same power output? (Estimate g as 10m/s2.)
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At the gym, a man pulls a bar on a machine that works the muscles of the upper back. It takes him 0....
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