Physics

Problem

A uniform solid cylinder of mass

4.0\,\text{kg}

and radius

0.30\,\text{m}

rolls without slipping along a level surface at a speed of

5.0\,\text{m/s}

. Approximately what percent of the cylinder’s total kinetic energy is rotational? a) 50\,% b) 33\,% c) 67\,% d) 29\,%