University Physics with Modern Physics with Mastering Physics (11th Edition)

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21.41: Two positive charges, q , are on the x -axis a distance a from the origin. a) Halfway between them, . 0 = E b) At any position - < - + + - - + + <
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Unformatted text preview: --+ = a x x a q x a q πε a x x a q x a q πε a x x a q x a q πε E x , ) ( ) ( 4 1 , ) ( ) ( 4 1 | | , ) ( ) ( 4 1 , 2 2 2 2 2 2 For graph, see below....
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  • Electric charge, positive charges

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