**1. The problem statement, all variables and given/known data**

Four charged particles are at the corners of a square of side a as shown in the figure below. (Let

A = 3, B = 5 and C = 6.)

(a) Determine the electric field at the location of charge q. (Use the following as necessary: q, a, and ke.)

(b) Determine the total electrostatic force exerted on q. (Use the following as necessary: q, a, and ke.)

**2. Relevant equations**

F=Eq

**3. The attempt at a solution**

Assuming that I have to solve this algebraically…

http://ift.tt/P4rF1f