A thin glass rod is bent into a semicircle of radius R = 13.9 cm. A charge Q = 5.67 nC is uniformly distributed along the upper half, and a charge -Q is uniformly distributed along the lower half as shown in the figure. Find the y-component of the electric field at point P, the center of the semicircle. 3.362*10^3N/C Submit Answer Incorrect. Tries 8/99 Previous Tries

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