A Disk Has a Moment of Inertia of 3

question 28

Multiple Choice

A disk has a moment of inertia of 3.0 × 10−⁴ kg·m² and rotates with an angular speed of 3.5 rad/sec.What net torque must be applied to bring it to rest within 3.7 s?

• A) 4.6 × 10−⁴ N·m
• B) 7.5 × 10−⁴ N·m
• C) 3.5 × 10−⁴ N·m
• D) 2.8 × 10−⁴ N·m

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