### Spherical shell carries charge by a uniform density

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##### Reference no: EM13679770

A particle with a charge of -60.0 nC is placed at the center of a non conducting spherical shell of inner radius 20.0cm and outer radius 25.0cm. The spherical shell carries charge by a uniform density of -1.33µC/m^3. A proton moves in a circular orbit just outside the spherical shell. Compute the speed of the proton.

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