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## Homework Statement

Find the magnitude and direction of the force on the charge -Q on the figure in the attached document.

## Homework Equations

F = k(q)(Q)/r

^{2}r-hat

## The Attempt at a Solution

So I have a force in the x direction and a force in the y direction.

F

_{x}= k(Q1)(-Q)/(a) x-hat

F

_{y}= (k)(Q2)(-Q)/(a) y-hat

F = F

_{x}+ F

_{y}= -kQ

^{2}2/(a)

^{2}x-hat + -kQ

_{1}

^{2}/a

^{2}y-hat

Is this right? Or can more be done to solve it?