A uniform line of charge with length 20.0 cm is along the x-axis with its midpoint at x = 0. Its charge per length is 6.30 nC/m. A small sphere with charge 3.00 μC is located at x = 0, y = 5.00 cm.
a) 1.678 N
b) 2.945 N
c) 3.512 N
d) 4.236 N