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Physics, 22.03.2021 05:30 YoEsMyles3115
A weight - lifter lifts a bell weighing(2 000 N) and holds it in the air for (5 seconds. Has he done any work? Explain your answer.
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A weight - lifter lifts a bell weighing(2 000 N) and holds it in the air for (5 seconds. Has he done...
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