Question: In the figure, the point charges are located at the corners of an equilateral triangle 27 cm on a side. (confused on B) a) Find

In the figure, the point charges are located at the corners of an equilateral triangle 27 cm on a side. (confused on B)

a) Find the magnitude of the electric field, in newtons per coulomb, at the center of the triangular configuration of charges, given that q_a = 1.4 nC, q_b = -7.8 nC, and q_c = 1.9 nC. = 3.49*10^3

b) Find the direction of the electric field in degrees below the right-pointing horizontal (the positive x-axis).

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