HW10 - Physics 3122, Fall 2010: Homework Set 10 Solutions....

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Unformatted text preview: Physics 3122, Fall 2010: Homework Set 10 Solutions. 4.9 q at origin, p at r , p r = pr cos F = ( p ) E E = q r /4 r 3 F x = p x x + p y y + p z z qx 4 ( x 2 + y 2 + z 2 ) 3 / 2 = p x q 4 r 3 3 p x qx 2 4 r 5 3 p y qxy 4 r 5 3 p z qxz 4 r 5 = [ p x qr 2 3( p x x + p y y + p z z ) qx ]/4 r 5 = q [ p r 2 3( p r ) r ] x /4 r 5 F = q [ p r 2 3( p r ) r ]/4 r 5 = q [ p 3( p r ) r ]/4 r 3 = q ( p cos r + p sin ) 3 p cos r [ ] /4 r 3 = qp 2cos r sin ( ) /4 r 3 F = q E E = 3{ p ( r )}( r ) p [ ] /4 r 3 F = q 3( p r ) r p [ ] /4 r 3 4.15 (a) P = k r / r b = P = 1 r 2 d dr r 2 P r ( ) = k r 2...
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This note was uploaded on 01/22/2012 for the course PHYS 3122 taught by Professor Staff during the Fall '08 term at Georgia Institute of Technology.

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HW10 - Physics 3122, Fall 2010: Homework Set 10 Solutions....

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