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Unformatted text preview: absolute values): ~ E net x = 4 k Q 125 a 2 ~ E net y = 3 k Q 125 a 2 + k q 9 a 2 (a) Equating ~ E net x and ~ E net y , it is straightforward to solve for the relation between Q and q . We obtain Q = 125 9 q 14 q . (b) We set ~ E net y = 0 and Fnd the necessary relation between Q and q . We obtain Q = 125 27 q 4 . 6 q ....
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 Fall '08
 SPRUNGER
 Physics

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