A $4.00 \mathrm{~kg}$ Hollow Sphere $\left(\mathrm{I}=2 / 3 \mathrm{MR}^{2}\right)$ Is Spinning with an Angular Velocity Of

Multiple Choice

A $4.00 \mathrm{~kg}$ hollow sphere $\left(\mathrm{I}=2 / 3 \mathrm{MR}^{2}\right)$ is spinning with an angular velocity of $10.0 \mathrm{rad} / \mathrm{s}$ . The diameter of the sphere is $20.0 \mathrm{~cm}$ . The rotational kinetic energy of the spinning sphere is

A) $1.50 \mathrm{~J}$ .
B) $0.90 \mathrm{~J}$ .
C) $1.75 \mathrm{~J}$ .
D) $1.33 \mathrm{~J}$ .
E) $0.75 \mathrm{~J}$ .