Two 16 cm -long thin glass rods uniformly charged to +16nC 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?

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