A 10-cm-long thin glass rod uniformly charged to 8.00 nCnC and a10-cm-long thin plastic rod uniformly charged to - 8.00 nCnC areplaced side by side, 4.50 cmcm apart. What are the electric fieldstrengths E1E1E_1 to E3E3E_3 at distances 1.0 cm, 2.0 cm, and 3.0cm from the glass rod along the line connecting the midpoints ofthe two rods?
Ask for the  electric field strength E1, E2 and E3