A solid sphere of mass and radius rolls without slipping at

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

Problem

A solid sphere of mass

1.0\,\text{kg}

and radius

0.20\,\text{m}

rolls without slipping at

2.0\,\text{m/s}

. What is its total kinetic energy? (For a solid sphere,

I = \tfrac{2}{5}MR^{2}

.) (a)

3.6\,\text{J}

(b)

2.0\,\text{J}

(c)

2.8\,\text{J}

(d)

3.0\,\text{J}