Question: Calculate the moment of inertia (a) of a copper uniform disc relative to the symmetry axis perpendicular to the plane of the disc, if its

Calculate the moment of inertia
(a) of a copper uniform disc relative to the symmetry axis perpendicular to the plane of the disc, if its thickness is equal to b = 2.0 mm and its radius to R = 100 mm;
(b) Of a uniform solid cone relative to its symmetry axis, if the mass of the cone is equal to m and the radius of its base to R

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Physics by Example 1st edition by W. G. Rees