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.)
Three charges lie along a horizontal line.
A 6.00 µC positive charge is on the left. 3.00 cm to its right is a 1.50 µC positive charge. 2.00 cm to the right of the 1.50 µC charge is a -2.00 µC charge. N/C
(b) If a charge of -5.39 µC is placed at this point, what are the magnitude and direction of the force on it? magnitude N