Two point charges are arranged in a line with point p. The point charges are q1=12 x 106 C and q1=-12 x 106 C. . Charge q1 is 0.10 m to the left of charges q2 and charge q1 is 0.10 ,e to thje left of point p. Sketch a piture of the situation and determine the net electirc field at point p