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## Homework Statement

three equal and positive charges q are located equidistant from the origin as shown http://s966.photobucket.com/albums/...n=view¤t=directionofanelectricfield.jpg . Is the direction of the electric field at the origin a) along x, b)along -x, c) along +y d) along -y

## Homework Equations

The electric field is directed outward away from Q when Q is positive.

## The Attempt at a Solution

Do the field lines along the x axis emerging from the charges on the x axis cancel or enhance each other at the origin?

Do I have to do vector addition on the x axis to solve this problem?