# 110314 - Physics 122 Physics 122 1 Physics 122 2 Physics...

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Physics 122 3/14/11 Prof. E. F. Redish 1 3/14/11 1 Physics 122 3/14/11 2 Physics 122 3/14/11 4 Physics 122

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Physics 122 3/14/11 Prof. E. F. Redish 2 3/14/11 3/14/11 6 Physics 122 3/14/11 7 Physics 122 v 0 = T μ
Physics 122 3/14/11 Prof. E. F. Redish 3 3/14/11 8 Physics 122 y ( x ,0) = A sin( kx ) y ( x , t ) = A sin[ k ( x ± v 0 t )] 3/14/11 9 Physics 122 y ( x , t ) = A sin( kx ± ² t ) k = 2 ³ ´ = 2 T 3/14/11 10 Physics 122 ± = v 0 T = v 0 1 f ² ³ ´ µ · or f = v 0 2 k ² ³ ´ µ · = v 0 2 ¸ ² ³ ´ µ · or k = v 0

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Physics 122 3/14/11 Prof. E. F. Redish 4 3/14/11 11 Physics 122 y = A sin( kx 1 ± ² t ) + A sin( kx 2 ± t ) y = A sin( ³ 1 ± t ) + A sin( 2 ± t ) x 1 x 2 3/14/11 12 Physics 122 3/14/11 13 Physics 122 y = A sin( kx 1 ± t ) + A sin( kx 2 ± t ) y = A sin( 1 ± t ) + A sin( 2 ± t ) ± 1 ² 2 1 ² 2 = kx 1 ² kx 2 = kx 1 ² x 2 (29 = k ³ D = 2 ´ ³ D µ
Physics 122 3/14/11 Prof. E. F. Redish 5 3/29/10 14 Physics 122 t y 3/29/10 15 Physics 122 4 ± 3 ± 3/29/10 16 Physics 122 3.5 ± 4 ±

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Physics 122 3/14/11 Prof. E. F. Redish
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## This note was uploaded on 12/28/2011 for the course PHYSICS 122 taught by Professor Bhagat during the Fall '11 term at Maryland.

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110314 - Physics 122 Physics 122 1 Physics 122 2 Physics...

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