A system is made up of two point charges, Q, and Q of 6 C and 5 C respectively as shown in the figure below. Point P is 5 cm vertically below Q 10 cm (+) Q 5 cm P. Y Determine the electric field strength at point P. 1.66 x 10^7 N/C at angle of 76.52 below the negative x-axis O2.66 x 10^7 N/C at angle of 76.52 below the negative x-axis 2.66 x 10^7 N/C at angle of 34.52 below the negative x-axis 1.66 x 10^7 N/C at angle of 34.52 below the negative x-axis