Solve the all parts of given problem:
Problem: The electric field everywhere on the surface of a thin, spherical shell of radius 0.755 m is of magnitude 850 N/C and points radially toward the center of the sphere.
Part A: What is the net charge within the sphere's surface?
Part B: What is the distribution of the charge inside the spherical shell?
I am having a hard time understanding these questions. So if you answer please explain how you found the answers.