problem21_77

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

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• PresidentHackerCaribou10582
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21.77: a) The field is all in the x -direction (the rest cancels). From the q + charges: . ) ( 4 1 4 1 4 1 2 3 2 2 0 2 2 2 2 0 2 2 0 x a qx πε x a x x a q πε E x a q πε E x + = + + = + = (Each q + contributes this). From the : 2 q - ). 1 ) 1 (( 2 4 1 2 ) ( 2 4 1 2 4 1 2 3 2 2 2 0 2 2 3 2 2 0 total 2 0 - + = - + = - = - x a x q πε x q x a qx πε E x q πε E x b) .. for , 3 4 1 1 2 3 1 2 4 1 4 2 0 2 2 2 0 total
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• NoProfessor
• Electric charge, Typeface, Fundamental physics concepts, Field Island, qx E= Ex

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