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In the figure a thin glass rod forms a semicircle of radius r = 3.25 cm. Charge is uniformly distributed along the rod, with +q = 1.88 pC in the upper half and −q = −1.88 pC in the lower half. What is the magnitude of the electric field at P, the center of the semicircle? Number Units

In the figure a thin glass rod forms a semicircle of radius r = 3.25 cm. Charge is uniformly distributed along the rod, with +q = 1.88 pC in the upper half and −q = −1.88 pC in the lower half. What is the magnitude of the electric field at P, the center of the semicircle? Number Units

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In the figure a thin glass rod forms a semicircle of radius r = 3.25 cm . Charge is uniformly distributed along the rod, with + q = 1.88 p C ir the upper half and − q = − 1.88 pC in the lower half. What is the magnitude of the electric field at P , the center of the semicircle?
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