ch22_p8 - 8(a The individual magnitudes E1 and E2 are...

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8. (a) The individual magnitudes G E 1 and G E 2 are figured from Eq. 22-3, where the absolute value signs for q 2 are unnecessary since this charge is positive. Whether we add the magnitudes or subtract them depends on if G E 1 is in the same, or opposite, direction as G E 2 . At points left of q 1 (on the – x axis) the fields point in opposite directions, but there is no possibility of cancellation (zero net field) since G E 1 is everywhere bigger than G E 2 in this region. In the region between the charges (0 < x < L ) both fields point leftward and there is no possibility of cancellation. At points to the right of
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This note was uploaded on 01/25/2011 for the course PHYSICS 17029 taught by Professor Rebello,nobels during the Fall '10 term at Kansas State University.

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