Solve the following problem given below:
Problem: A certain atom has 92 protons. Assume that the nucleus is a sphere with radius 7.10 fm and with the charge of the protons uniformly spread through the sphere. At the nucleus surface what are
(a) The magnitude and
(b) Direction (radically inward or outward) of the electric field produced by the protons?
Show all work and steps, use additional paper if necessary. Thank you.