Question: A 20 cm-radius ball is uniformly charged to 71 nC.
a) What is the ball's uniform charge density C/m^3?
b) How much charge is enclosed by spheres of radii 5, 10, and 20 cm?
c) What is the electric field strength at points 5, 10, and 20 cm from the center?
The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.