What is the magnitude of the electric field at point p due to the four point charges shown? The distance d is between charge centers.
Electric Field = kq/d^2
Coulomb's Law = k(q1q2)/d^2
The Attempt at a Solution
I don't know how to go about solving this for a multiple of reasons. First of all, the formation is really throwing me off. I think both the positive and negative 5 charges cancel out, but I'm not too sure how to calculate the forces on p due to the +3.0 and -12