problem09_06

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

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Unformatted text preview: 9.6: z = (250 rad s) - (40.0 rad s 2 )t - (4.50 rad s3 )t 2 , z = -( 40.0 rad s 2 ) - (9.00 rad s3 )t. a) Setting z = 0 results in a quadratic in t ; the only positive time at which z = 0 is t = 4.23 s. b) At t = 4.23 s, z = -78.1 rad s 2 . c) At t = 4.23 s, = 586 rad = 93.3 rev. d) At t = 0, z = 250 rad s. e) av - z = 586 rad = 138 rad s. 4.23 s ...
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This document was uploaded on 02/04/2008.

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