A Disk Has a Rotational Inertia of 6

question 72

Multiple Choice

A disk has a rotational inertia of 6.0 kg .m² and a constant angular acceleration of 2.0 rad/s². If it starts from rest the work done during the first 5.0 s by the net torque acting on it is:

• A) 0
• B) 30 J
• C) 60 J
• D) 300 J
• E) 600 J

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