Two point charges of magnitude 700 microc and -900 microc, Ask an Expert

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Two point charges of magnitude +7.00 µC and -9.00 µC are located along the x-axis at x = 0 centimeter and x = 40.0 centimeter, correspondingly. Determine where must a third charge be placed along the x-axis so that it does not experience any net force because of the other two charges?

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