Three Charges of Magnitude 3

Multiple Choice

Three charges of magnitude 3.0  10^-4 C each are located at x = 1.0 m,y = 1.0 m,at s = 0.0 m,y = 0.0 m,and at x = -1.0 m,y = 0.0 m.The one in the middle is negative,while the other two are positive.What is the net Coulombic force exerted by them on a negative 3.0  10^-5 C charge located at x = 0.0 m,y = 2.0 m? (The value of k is 9.0 × 10⁹ N·m²/C². )

A) 87 N attractive
B) 87 N repulsive
C) 120 N attractive
D) 120 N repulsive