A $10 \mathrm{~kg}$ Sphere with A $25.0 \mathrm{~cm}$ Radius Has a Moment of Inertia Of

Multiple Choice

A $10 \mathrm{~kg}$ sphere with a $25.0 \mathrm{~cm}$ radius has a moment of inertia of $2 / 5 \mathrm{MR} 2$ . If a torque of $2.0 \mathrm{~N} \cdot \mathrm{m}$ is applied to the object, the angular acceleration is

A) $2.0 \mathrm{rad} / \mathrm{s}^{2}$ .
B) $4.0 \mathrm{rad} / \mathrm{s}^{2}$ .
C) $8.0 \mathrm{rad} / \mathrm{s}^{2}$ .
D) $1.0 \mathrm{rad} / \mathrm{s}^{2}$ .
E) $6.0 \mathrm{rad} / \mathrm{s}^{2}$ .