1. The problem statement, all variables and given/known data Suppose Coulomb's force is actually F= (y)(q1q2)(r hat)/(r^4) with y being a constant. Find the electric potential function V(x,y) for a charge Q located at the point x=a, y=b 2. Relevant equations Fq=E V=integral (E) 3. The attempt at a solution I am very confused by this problem and do not know if my solution is correct: 1) find electric field using fq=E, E=(y)(q1)(r hat) / (r^4) 2) Integrate to find V. Somehow change q1 to Q V= integral (E dot Dr) V= Qy integral (1/r^4) v= -Qy/r^3, where r = sqrt((x-A)^3 + (y-B)^2) giving V (x,y) = - yQ / 3 ((x-a)^2 + (y-b)^2))^(3/2)) + 0 Is this correct? How does q1 change into Q?