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## Homework Statement

A nonconducting sphere has radius R = 3.71 cm and uniformly distributed charge q = +3.76 fC. Take the electric potential at the sphere's center to be V0 = 0. What is V in volts at radial distance (a) r = 1.00 cm and (b) r = R?

## Homework Equations

I suppose:

Electric field of spherical shell = ( 1 / (4 x pi x E) ) * ( q / r² )

## The Attempt at a Solution

Completely stuck, don't even know where to begin > <.