A 10-cm-long thin glass rod uniformly charged to 12.0 nC and a 10-cm-long thin plastic rod uniformly charged to -12.0 nC are placed side by side, 4.20 cm apart. What are the electric field strengths E1 to E3 at distances 1.0 cm, 2.0 cm, and 3.0 cm, from the glass rod along the line connecting the midpoints of the two rods?

Part A at the midpoint between the two rings? Express your answer as an integer and include the appropriate units. A ? Value Units Submit Request Answer Part B at the center of the left ring? Express your answer to three significant figures and include the appropriate units. HA ? Value Units Submit Previous Answers Request