ch22-p069 - 69. On the one hand, the conclusion (that Q =...

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69. On the one hand, the conclusion (that Q = +1.00 µ C) is clear from symmetry. If a more in-depth justification is desired, one should use Eq. 22-3 for the electric field magnitudes of the three charges (each at the same distance ra = 3from C ) and then find field components along suitably chosen axes, requiring each component-sum to be zero. If the
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This note was uploaded on 07/10/2010 for the course PHYS 234 taught by Professor Ui during the Fall '10 term at The Petroleum Institute.

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