The figure below shows three charged particles, all lying along the horizontal axis. Particle A, at left, has a 5.85 nC

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The figure below shows three charged particles, all lying alongthe horizontal axis. Particle A, at left, hasa 5.85 nC charge. Particle B hasa 1.20 nC charge and is 3.00 cm to theright of A. Particle C hasa
−2.05 nC
charge and is 2.00 cm to the rightof B.
Three charges lie along a horizontal line. A positive chargelabeled qA is on theleft. 3.00 cm to its right is a positive chargelabeled qB. 2.00 cm tothe right of qB is anegative charge labeled qC.
(a)
What is the magnitude (in N/C) of the electric field at a point2.00 cm to the right of A?
N/C
(b)
A fourth particle with a charge of −8.00 nC is placedat this point. What are the magnitude (in N) and direction of thenet electric force on it?
magnitude Ndirection ---Select--- toward theright downward upward toward the left