Could someone please explain all the questions in pictures?

A Q = 5.5 JC point charge is located at the center of a charged hollow metal sphere with inner and outer radii of r, = 1.20 m and ry = 1.35 m. The charge on the sphere is twice that of the point charge. (a) What are the electric fields at the 3 distances dj = 1.15 m, d2 = 1.31 m, and d3 = 1.40 m from the center of the sphere? N/C E, = N/C E 3 = N/C (b) Determine the charge on the inside surface of the metal sphere. UC (c) Determine the charge on the outer surface of the metal sphere. Additional Materials Reading Tutorial 7. [-/2 Points] DETAILS OSUNIPHYS1 23.1.P.028. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the uniform electric field E = (2.0j + 9.0k) x 105 N/C. (a) What is its electric flux (in N . m/C) through a circular area of radius 1.4 m that lies in the yz-plane? (Enter the magnitude.) N . m /c (b) What is its electric flux (in N . m/C) through a circular area of radius 1.4 m that lies 45.0 above the xy-plane? (Assume that the unit normal vector is n = = Vz (it * ) . ) N . m2/c Additional Materials Reading