3. A uniform disk accelerates from rest to a speed of 6.28 rad/s in 5.0 s. Find its angular acceleration if it has a mass of 0.45 kg and a diameter of 0.25 m. 4. Calculate the applied torque in the given problem in number 3. .

3. A uniform disk accelerates from rest to a speed of 6.28 rad/s in 5.0 s. Find its angular acceleration if it has a mass of 0.45 kg and a diameter of 0.25 m. 4. Calculate the applied torque in the given problem in number 3. .

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotational Motion

Section: Chapter Questions

Problem 2P: A bar on a hinge starts from rest and rotates with an angular acceleration = 10 + 6t, where is in...

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Concept explainers

Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

3. A uniform disk accelerates from rest to a speed of 6.28 rad/s in 5.0 s. Find its
angular acceleration if it has a mass of 0.45 kg and a diameter of 0.25 m.
4. Calculate the applied torque in the given problem in number 3.

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