A solid cylinder of radius rolls without slipping along a horizontal surface with…

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

Problem

A solid cylinder of radius

r

rolls without slipping along a horizontal surface with angular speed

\omega

. Which of the following gives the magnitude of the linear speed

v_{\text{cm}}

of the cylinder’s center of mass? (a)

2r\omega

(b)

\dfrac{r\omega}{2}

(c)

r\omega

(d)

\dfrac{2}{5}r\omega