A point charge of 91.35 nC is at the point X = 0.300 m, Y = 0.650 m; and a second point charge of +4.00 nC is at the point X = 0.300 m, Y = 0. Calculate the magnitude of the net electric field at the origin due to these two point charges (Permittivity of free space is 8.85 * 10^-12 C^2/Nm?).
80.80 N/C.
371.8 N/C
115.2 N/C
980 N/C