problem08_90

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

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8.90: a ) For the - y and - x directions, respectively, and m as the common mass of a proton, β mv mv mv A A cos cos 2 2 1 + = α 0 = - sin 2 A mv β mv B sin 2 or 1 A v = 2 A v cos cos 2 B v + β 0 = - sin 2 A v β v B sin 2 . b ) After minor algebra, ( 29 ). cos( 2 sin sin cos cos 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 β v v v v β v v v v v B A B A B A B A A + + + = - + + = β c ) For a perfectly elastic collision, 2 2 2 2 2 1 2 1 2 1 2 1 B A A mv
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Unformatted text preview: mv mv + = or . 2 2 2 2 2 1 B A A v v v + = Substitution into the above result gives d) 0. ) cos( = + The only positive angle with zero cosine is ). 90 ( 2...
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