A Disk Has a Moment of Inertia of 2

Multiple Choice

A disk has a moment of inertia of 2.8 × 10−⁴ kg·m² and rotates with an angular speed of 3.6 rad/sec.What net torque must be applied to bring it to rest within 3.9 s?

A) 3.9 × 10−⁴ N·m
B) 3.0 × 10−⁴ N·m
C) 5.0 × 10−⁴ N·m
D) 2.6 × 10−⁴ N·m
E) ​1.4 × 10−⁴ N·m