A uniform solid cylinder of mass and radius rolls without slipping along a level…

PHYSICS · Single correct · AP · Physics C: Mechanics · Energy and Momentum of Rotating Systems · Energy and Momentum of Rotating Systems

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\,%