problem09_98

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

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9.98: a) From Exercise 9.49, the rate of energy loss is dt Τ Ι π 3 2 4 ; solving for the moment of inertia , power the of in terms P I . m kg 10 09 . 1 s 10 22 . 4 s 1 4 s) 0331 . 0 )( W 10 5 ( 1 4 2 38 13 2 3 31 3 × = × × = = - π dt π ΡΤ Ι b) = = Μ Ι R 2 5 km. 10 about m, 10 9 . 9 kg) 10 99 . 1 )( 4 . 1 ( 2 ) m kg 10 08 . 1 ( 5 3 30 2 38 × = × × c) c. 10 3 . 6 s m 10 9 . 1 s) 0331 . 0 ( m) 10 9 . 9 ( 2 2 3 6 3 - × = × = × π = Τ πR
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This document was uploaded on 02/04/2008.

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