A point charge of +3.0 μC is located on the y-axis at +4.0 m, and another point charge of +6.0 μC is located on the x-axis at x = +5.0 m. What is the magnitude of the net electric field at the point P located at position (+5.0 m, +4.0 m)?
4.5 x 10^3 N/C
3.5 x 10^-3 N/C
2.7 x 10^3 N/C
3.5 x 10^3 N/C
2.7 x 10^-3 N/C