To be honest I have no idea what to use for the magnitude. I tried a bunch of different things and got totally different answers.
I thought of splitting them up into EX1, EY1, EX2 and EY2, but I don't know what the actual magnitude should be. Should it be (k*q*cosθ)/r2 for the x and...
Homework Statement
Charge q1 = +8.36 μC is fixed at the origin and charge q2 = -4.28μC is fixed on the +x-axis, 0.371m from the origin.
(a) Find the direction and magnitude of the electric field at a point P that has coordinates (0.466, 0.466) m.
(b) Find the direction and magnitude of the...