Find electrical potenial at the center of the semicircle

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Two small spheres have a mass 9.0g and having an electric charge q are suspended by a length of 32cm. Find Electrical Charge in C, each sphere forms a 40 degree angle.

Solid sphere radius of 30cm has negative charge of 16 microC uniformly throughout volume. Find magnitude of electrical field at the 12.0cm point from the center of the sphere.

Conducting rod 21.0 cm bent into semicircle. Linear density -5.20 * 10^-8 C/m. Find Electrical Potenial at the center of the semicircle.

Reference no: EM13300134

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