problem08_16

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

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8.16: a) The final momentum is s, m kg 1975 . 0 ) s m 650 . 0 )( 350 . 0 ( ) s m 120 . 0 )( kg 250 . 0 ( = + - taking positive directions to the right. a) Before the collision, puck B was at rest, so all of the momentum is due to puck A ’s motion, and m/s. 790 . 0 kg 250 . 0 m/s kg 5 197 . 0 1 = = = A A m p v b) 2 1 2 2 2 2 1
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Unformatted text preview: 2 2 1 2 1 2 1 A A B B A A v m v m v m K K K-+ =-= ∆ 2 2 2 ) s m 7900 . )( kg 250 . ( 2 1 ) s m 650 . )( kg 350 . ( 2 1 ) s m 0.120 ( ) kg 250 . ( 2 1--+-= J 0023 .-=...
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This document was uploaded on 02/04/2008.

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