problem10_46

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

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10.46: (a) Conservation of angular momentum: s rad 88 5 ) m 00 . 2 ( s m 9.80 N 0 . 90 3 1 ) m 50 . 1 )( s m 00 . 6 )( kg 00 . 3 ( ) m (1.50 s) m 0 . 10 )( kg 00 . 3 ( 2 2 2 2 3 1 1 0 1 . ω ω ω L m vd m d v m = + - = + - = (b) There are no unbalanced torques about the pivot, so angular momentum is
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Unformatted text preview: conserved. But the pivot exerts an unbalanced horizontal external force on the system, so the linear momentum is not conserved....
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