Question

find the magnitude of the electric field, in newtons per coulomb, at the center of the triangular configuration of charges, given that qa = 2.2 nc, qb = -9.9 nc, and qc = 1.3 nc. a) 5.650 N/C
b) 4.325 N/C
c) 6.450 N/C
d) 3.780 N/C