Two Electrons Are Located at Two of the Vertices of an Equilateral

Multiple Choice

Two electrons are located at two of the vertices of an equilateral triangle,one at each vertex.The length of one side of the triangle is 1.00 nm.What is the magnitude of the net electric field at the third vertex?

A) 1.44 * 10⁹ N/C
B) 2.03 * 10⁹ N/C
C) 2.49 * 10⁹ N/C
D) 2.88 * 10⁹ N/C