A point charge of +5.0 micro coulombs is located on the x-axis at x=-3.0 cm, and a second point charge of -8.0 micro coulombs is located on the x-axis at x=+4.0 cm. Where should a third charge of +6.0 Micro coulombs be placed so the the the electric field at the origin is zero?

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would \[\frac{ 1 }{ 4\pi \epsilon} \] equal the k constant?

@ipalnemoatl
cool! indeed:
\[ k_\text{e} = \frac{1}{4\pi\varepsilon_0}\]

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