Hello all! I'm trying to work on this problem as well but I'm a bit lost.
So far, I know that the Ex component will cancel, so only Ey will remain.
Then I know that dq = lamda dx.
I'm defining theta as the angle adjacent to y, so cos(ᶿ)= y / [√(L/2)^2 + (y)^2], where [√(L/2)^2 + y^2] = r...