Proton movesin a circular orbit just outside spherical shell

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A particle of charge -60nC is placed at the center of anon-conducting spherical shell of inner radius 20cm and outerradius 25cm. The spherical shell is uniformly charged with acharge density of -1.33μC/m³. A proton movesin a circular orbit just outside the spherical shell. Calculate the speed of the proton.

Reference no: EM13648112

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