problem09_86

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

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9.86: The gravitational potential energy which has become kinetic energy is ( 29 ( 29 ( 29 J. 0 . 98 m 00 . 5 s m 80 . 9 kg 2.00 kg 00 . 4 2 = - = K In terms of the common speed v of the blocks, the kinetic energy of the system is 2 2 2 1 2 1 ) ( 2 1 + + = R v I v m m K kg).
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Unformatted text preview: 4 . 12 ( ) m 160 . ( ) m kg 480 . ( kg 00 2 kg 00 . 4 2 1 2 2 2 2 v . v = ⋅ + + = Solving for s. m 81 . 2 gives kg 4 . 12 J . 98 = = v v...
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