Charge q1 = 7.00 μC is at the origin, and charge q2 = -5.00 μC is on the x-axis, 0.300m from the origin as shown below. (a) Find the magnitude and the direction of the electric field at point P, which has coordinates (0, 0.400)m. (b) Find the force on a charge of 2.00 × 10-8C placed at P.
