Question: In Figure a thin glass rod forms a semicircle of radius r = 5.00 cm. Charge is uniformly distributed along the rod, with = q

In Figure a thin glass rod forms a semicircle of radius r = 5.00 cm. Charge is uniformly distributed along the rod, with = q = 4.50pC in the upper half and ? q = ? 4.50pC in the lower half. What are the?

(a) Magnitude and?

(b) Direction (relative to the positive direction of the x axis) of the electric field E at P, the center of the semicircle?

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