Derive the equation for the gravitational potential u(p) due to a spherical shell of thickness t, radius r, and uniform density p at an arbitrary distance r from the center of the sphere using green's function for a point mass. give the solution for both cases in which p is outside (r > r) and inside (r < r) the spherical shell. from your answers, find the gravitational force outside and inside the sphere.
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Derive the equation for the gravitational potential u(p) due to a spherical shell of thickness t, ra...
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