Problems 10.13. Explain the steps necessary to arrive at Eq. (10.89). 10.14. Consider a uniform hemispherical shell of radius R and m axis be its symmetry axis. Calculate the gravitational pote the Z-axis. Graph V(r) and g(r). How do these compare w 10.15. Consider a uniform solid hemisphere of radius R and mas axis be its symmetry axis. Calculate the gravitational poto e results JR which gives V(r) = - 27GP(R; R}) = constant, %3D for r