Question: For the following objects, which all roll without slip-ping, determine the rotational kinetic energy about the center of mass as a percentage of the total

For the following objects, which all roll without slip-ping, determine the rotational kinetic energy about the center of mass as a percentage of the total kinetic energy:
(a) A solid sphere,
(b) A thin spherical shell, and
(c) A thin cylindrical shell.

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