(a) Determine the electric eld strength at a point 1.00 cm to the left of the middle charge shown in Figure.(b) If a charge of

(a) Determine the electric field strength at a point 1.00 cm to the left of the middle charge shown in Figure.(b) If a charge of ?? 2.00 μC is placed at this point, what are the magnitude and direction of the force on it?

-2.00 150 6.00 C -9.00 nm 3.00 n