A 10.8nC charge is located at position (x,y)=(1.0cm,2.0 cm)
a) At what (x,y) position is the electric field -225,000i N/C?
b) At what (x,y) position is the electric field (161,000 i+80,500 j )
c) At what (x,y) position is the electric field (21,600i -28,800j )