(Answered) A sphere with radius 60 cm has its center at the origin

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A sphere with radius 60 cm has its center at the origin. Equal charges of 2 µC are placed at 72? intervals along the equator of the sphere. What is the electric potential at the origin? The value of the Coulomb constant is 8.98755 × 109 N · m2 /C 2 . Answer in units of kV.

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