problem07_05

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

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7.5: a) In the absence of air resistance, Eq. (7.5) is applicable. With m, 0 . 22 2 1 = - y y solving for 2 v gives s. m 0 . 24 m) 0 . 22 )( s m 80 . 9 ( 2 s) m 0 . 12 ( ) ( 2 2 2 1 2 2 1 2 = + = - + = y y g v v b) The result of part (a), and any application of Eq. (7.5), depends only on the magnitude of the velocities, not the directions, so the speed is again
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Unformatted text preview: s. m . 24 c) The ball thrown upward would be in the air for a longer time and would be slowed more by air resistance....
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This document was uploaded on 02/04/2008.

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