Answer Happy

please help me show all the steps. thank you. univer physic
ii
The hollow metal sphere at right has outer radius R, inner radius R/2, and total charge +Q. e) E is on the surface of the sphere. What is the electric potential at point E? (3 points) f) F is at the center of the sphere. What is the electric potential at point F? (3 points) g) G is a distance 3R/2 from the center of the sphere. What is the electric potential at point G? (3 points) O