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1 March, 01:51

An athlete does one push-up. In the process, she moves half of her body weight, 250 newtons, a distance of 20 centimeters. This distance is the distance her gravity moves when she fully extends her arms. How much work did she do after one push-up?

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  1. 1 March, 01:54
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    We know that an athlete moves half of her body weight 250 N a distance of 20 cm.

    So: F = 250 N, d = 20 cm = 0.2 m

    The work formula:

    W = F * d

    W = 250 N * 0.2 m

    W = 50 J

    Answer: Her work after one push-up is 50 J.
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