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## Homework Statement

Three positive charges, A, B and C, of 3 × 10

^{-6}, 2 × 10

^{-6}, and 3 × 10

^{-6}Coulombs respectively, are located at the corners of an equilateral triangle of side 0.2 meters.

Find the magnitude in newtons/Coulomb of the electric field at the center of the triangle.

## Homework Equations

**E**= [itex]\frac{1}{4∏ε}[/itex] Ʃq

_{j}

**r**/r

_{oj}_{oj}

^{2}

## The Attempt at a Solution

I'm not quite sure what I'm doing wrong but I feel like it's something simple (and perhaps geometric). My triangle has a base on the x axis and it's origin is at the center of the base. My basic approach is to find the center of the triangle.

Then, I compute the distance from each point charge to the center via Pythagorean.

Once I have that, I compute the electric field strength for each particle. Then, I take the x and y components and add them.

I've tried different centers for the triangle but I'm always off by a factor of 10.