A thin spherical shell of mass and radius possesses rotational kinetic energy

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

Problem

A thin spherical shell of mass

0.40\,\text{kg}

and radius

0.20\,\text{m}

possesses rotational kinetic energy

5.0\,\text{J}

. Determine its angular speed. (a)

39.5\,\text{rad s}^{-1}

(b)

25.0\,\text{rad s}^{-1}

(c)

30.6\,\text{rad s}^{-1}

(d)

21.7\,\text{rad s}^{-1}