problem15_41

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

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15.41: a) The traveling wave is ) s] rad [742 ) m] rad ([6.98 cos m) 30 . 2 ( ) , ( t x t x y + = s rad 742 and m rad 98 . 6 mm; 60 . 4 so mm 30 . 2 SW = = = = ω k A A The general equation for a standing wave is so , sin ) sin ( ) , ( SW t kx A t x y ϖ = ) s] rad )sin([742 m] rad sin([6.98 mm) 60 . 4 ( ) , ( t x t x y = b) 15.24) Exercise (from m 35 . 1
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Unformatted text preview: = L m 900 . 2 = = k ), 2 ( 3 = L so this is the 3 rd harmonic c) For this 3rd harmonic, Hz 118 2 = = f Hz 39.3 3 Hz) 118 ( so 3 1 1 3 = = = f f f...
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This document was uploaded on 02/05/2008.

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