Written Homework 11 Solutions

Written Homework 11 Solutions - 221Fall2007 Physics...

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Physics 221Fall2007 Written Homework due Tuesday November 6 1-- (a) In the figure below there are two square arrays of charged particles. The squares, which are centered on point P, are misaligned, The particles are separated by either d or d/2 alongthe perimeters of the s$nres. What are the magnitude and direction of the net electric field atP? +6q -ur--1*n ,\ r \' .,L)-un -2q -2q 3q -*. F).rT€; FoA TN€ tNll€q 5<$-,nC€ T\e Clt\s"(L('€ s NR€ SYf$tn€TL\(I\LLY Pui*-f,,'; f\ft suH,r) i)*,rvr P. ft€ G - F lfiti ] f\i p t5 ?_{,1e, ;}i',s"=,,v\ tfi.ifu€( 'isl,AEf, {D F.L cuTf iL l,$vr\il-t j-PA'tL\ qiF c Nr:ir-dr{ fl\ft*{ [\u:() S\ wrt.iroT R\ q Arti: tr* i:,q'-lr trRpit\ TXtwr f\Liel A'\* "T<> -2q *3q 4 r I "'r .a v, LJ-. .\-/ t 6q L EhcP N.: E=+€J't1'r) -t T \Ehfu. '";iinrQ e*LI--> O) In figure (a) below a thin plastic rod with uniform charge +Q is bent into a quarter circle and produces an elestric field of magnitude E at the center of curvature (the origrn). In figures (b) - (d) more bent rods with identical uniform charges +Q are added until the circle is complete. Rank configurations (a) -
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This homework help was uploaded on 03/27/2008 for the course PHYS 221 taught by Professor Herrera-siklody during the Fall '08 term at Iowa State.

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Written Homework 11 Solutions - 221Fall2007 Physics...

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