13. Rotational Inertia & Energy
Intro to Moment of Inertia
7:30 minutes
Problem 12a
Textbook Question
Textbook QuestionAn object whose moment of inertia is 4.0 kg m^2 is rotating with angular velocity 0.25 rad/s. It then experiences the torque shown in FIGURE EX12.25. What is the object's angular velocity at t = 3.0s?
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