(a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in the figure below. (Enter the magnitude of the electric field only.) 6.00 MC 1.50 AC -2.00 MC + + 3.00 cm - 2.00 cm - N/C (b) If a charge of -6.97 JC is placed at this point, what are the magnitude and direction of the force on it? magnitude N direction ---Select--- -Select-- Need Help? downward toward the right toward the left Submit Answer upward