4. A uniform disk with a mask of 0.45 kg and a diameter of 0.25 m, accelerates from rest to a speed of 6.28 rad/s in 5.0 s. Find the magnitude of the (a) angular acceleration, and (b) applied torque.
4. A uniform disk with a mask of 0.45 kg and a diameter of 0.25 m, accelerates from rest to a speed of 6.28 rad/s in 5.0 s. Find the magnitude of the (a) angular acceleration, and (b) applied torque.
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Transcribed Image Text:4. A uniform disk with a mask of 0.45 kg and a diameter of 0.25 m, accelerates from rest to
a speed of 6.28 rad/s in 5.0 s. Find the magnitude of the (a) angular acceleration, and (b)
applied torque.
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