7. [-/10 Points] DETAILS SERCP11 15.2.P.008. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Four point charges are at the corners of a square of side a as shown in the figure below. Determine the magnitude and direction of the resultant electric force on q, with ke, q, and a in symbolic form. (Let B = 5.0q and C = 7.0q. Assume that the +x-axis is to the right and the +y-axis is up along the page.) a a B + a (i magnitude direction . counterclockwise from the +x-axis Need Help? Read It