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(9 points) A +18nC charge is located at the origin? What is the electric field and electric potential at the following locations? x=4crni E= NICi+ NICj x =-4cmit4cmj E= NICI+ NICj 4 cmi 4cmj NICi+ NICj V=
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if theelectric field dueto pointchargeq-+18nC atadistance x is E =4.0cm E- (k-8.08-10 N m c) we plug the valuesin hand whileusing the relati on give us electricpotential V-kg-4044.42007 when 5.657cm =식 (k-8.98 x 109 N㎡.C2 -5.056 ) we plug the valuesin hand whileusing the relation giveus electricpotential kq V-28.60V when に5.657cm k-8.98x10Nm 5.056 0 tan-1 we plug the valuesin hand whileusing the relati on give us = tan-,-1-45。 Ē-Ex 1-Eyj-Ecos(6)i-Esin@jj =ー5.056cos(45): 1-5.056sin(45) : j = | ( -3.575 i-3.575 j ) electricpotential

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