A uniform hoop of mass and radius rolls without slipping at

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Energy and Momentum of Rotating Systems · Energy and Momentum of Rotating Systems

Problem

A uniform hoop of mass

1.5\,\text{kg}

and radius

0.25\,\text{m}

rolls without slipping at

4.0\,\text{m\,/\,s}

. The hoop’s moment of inertia about its center is

I=MR^{2}

. Determine the rotational kinetic energy of the hoop.