problem06_58

University Physics with Modern Physics with Mastering Physics (11th Edition)

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6.58: The work per unit mass is . ) ( gh m W = a) The man does work, kg. J 3.92 m) (0.4 kg) N 8 . 9 ( = b) 5.6%. 100 kg) J 70 ( kg) J 92 . 3 ( = × c) The child does work, kg. J 1.96 m) (0.2 kg) N 8 . 9 ( = 2.8%. 100 kg) J 70 ( kg) J 96 . 1 ( = × d) If both the man and the child can do work at the rate of
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Unformatted text preview: kg, J 7 and if the child only needs to use kg J 96 . 1 instead of kg, J 92 . 3 the child should be able to do more pull ups....
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