Derive an expression for the moment of inertia about the axis of symmetry for
a cylinder of mass M , length L and radius a, where the mass density decreases as a
function of distance from the axis as 1/r
The Attempt at a Solution
1) am i right in thinking this would just be the same as the MOI of a disk of same mass?
and is the answer 2pi/3 a^3 or alternatively 1/3 M/L a^3