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F = ma (First 10)
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FMA-2009-08 · 2009 F = ma (AAPT)

2009 F = ma Exam — Question 8

The following information is used for questions 8 and 9. A flat disk rotates about an axis perpendicular to the plane of the disk and through the center of the disk with an angular velocity as shown in the graph below. 0 2 4 3 2 1 −2 Angular Velocity (rad/s) Time (s) 8. Determine the angular acceleration of the disk when t = 2.0 s.
Source: Question 8, 2009 F = ma Exam, © 2009 American Association of Physics Teachers (AAPT) and the U.S. Physics Team. Adapted by PhysicsTrainer: reformatted into a separate question and answer choices for online multiple-choice practice; any shared setup from nearby questions is repeated here. Not affiliated with or endorsed by AAPT or the U.S. Physics Team.