# ch22-p008 - 8. (a) The individual magnitudes E1 and E2 are...

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Thus, we obtain 2.72 12 5 L x L =≈ . (b) A sketch of the field lines is shown in the figure below: 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 <
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## This note was uploaded on 06/07/2010 for the course PHYS 344 taught by Professor Bb during the Summer '10 term at The Petroleum Institute.

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