Two 11cm -long thin glass rods uniformly charged to +13nC are placed side by side, 4.0 cm apart. What are the electric field strengths E1, E2, and E3 at distances 1.0 cm, 2.0 cm, and 3.0 cm to the right of the rod on the left, along the line connecting the midpoints of the two rods?
Specify the electric field strength E1.
Specify the electric field strength E2.
Specify the electric field strength E3.