Charges of q and 2q are fixed in place, with a distance of
Chapter 19, Problem 19.169(choose chapter or problem)
Charges of q and 2q are fixed in place, with a distance of 2.00 m between them. A dashed line is drawn through the negative charge, perpendicular to the line between the charges. On the dashed line, at a distance L from the negative charge, there is at least one spot where the total potential is zero. Find L.
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