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

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7.58: One mass rises while the other falls, so the net loss of potential energy is . J 176 . 1 ) m 400 . 0 )( s m 80 . 9 )( kg 2000 . 0 kg 5000 . 0 ( 2 = - This is the sum of the kinetic energies of the animals. If the animals are equidistant from
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Unformatted text preview: the center, they have the same speed, so the kinetic energy of the combination is 2 tot 2 1 v m , and . s m 83 . 1 ) kg 7000 . ( ) J 176 . 1 ( 2 = = v...
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