A $10 \mathrm{~kg}$ Solid Cylinder with A $50.0 \mathrm{~cm}$ Radius Has a Moment of Inertia Of

Multiple Choice

A $10 \mathrm{~kg}$ solid cylinder with a $50.0 \mathrm{~cm}$ radius has a moment of inertia of $1 / 2 \mathrm{MR}^{2}$ . If a torque of $2.0 \mathrm{~N} \bullet \mathrm{m}$ is applied to the object, the angular acceleration is

A) $1.8 \mathrm{rad} / \mathrm{s}^{2}$ .
B) $1.6 \mathrm{rad} / \mathrm{s}^{2}$ .
C) $2.3 \mathrm{rad} / \mathrm{s}^{2}$ .
D) $1.0 \mathrm{rad} / \mathrm{s}^{2}$ .
E) $2.1 \mathrm{rad} / \mathrm{s}^{2}$ .