A charge q is located at the origin, while an identical
Chapter 18, Problem 19.40(choose chapter or problem)
A charge q is located at the origin, while an identical charge is located on the x axis at x 0.50 m. A third charge of 2q is located on the x axis at such a place that the net electrostatic force on the charge at the origin doubles, its direction remaining unchanged. Where should the third charge be located?
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