A $0.50 \mathrm{~kg}$ Solid Disk Spins At $250 \mathrm{rpm}$ a Torque Of Disk

Multiple Choice

A $0.50 \mathrm{~kg}$ solid disk spins at $250 \mathrm{rpm}$ . A torque of $12.5 \mathrm{~N} \cdot \mathrm{m}$ is applied for $0.150 \mathrm{~s}$ to bring it to rest. What is the disk's radius?

A) $0.29 \mathrm{~m}$
B) $0.38 \mathrm{~m}$
C) $0.14 \mathrm{~m}$
D) $0.54 \mathrm{~m}$