5. [1/2 Points] DETAILS PREVIOUS ANSWERS SERCP11 15.3.P.032.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Three charges are at the corners of an equilateral triangle, as shown in the figure below. Calculate the electric field at a point midway between the two charges on the x-axis. (Let q] = 7.00 MC, q2 = 4.50 MC, and 93 = -5.50 MC.) + 0.500 m 60.0 + magnitude 1450000 N/C 0 X direction below the