problem06_48

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

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6.48: a) The number per minute would be the average power divided by the work ( mgh ) required to lift one box, s, 41 . 1 m) (0.90 ) s m (9.80 kg) 30 ( hp) W
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Unformatted text preview: (746 hp) 50 . ( 2 = or min. 6 . 84 b) Similarly, s, 378 . m) (0.90 ) s m (9.80 kg) (30 W) 100 ( 2 = or min. 7 . 22...
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