problem10_92

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

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10.92: The tension is related to the block’s mass and speed, and the radius of the circle, by . 2 r v m T = The block’s angular momentum with respect to the hole is mvr L = , so in terms of the angular momentum, ( 29 . 1 3 2 3 2 3 2 2 2 2 mr L mr mvr r r m v m r mv T = = = = The radius at which the string breaks can be related to the initial angular momentum by
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Unformatted text preview: ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 , N . 30 kg 250 . m 800 . s m 00 . 4 kg 250 . 2 max 2 1 1 max 2 3 = = = mT r mv mT L r from which m. 440 . = r...
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