A safety device brings the blade of a power mower from an initial angular speed of wi to rest in 1.00 revolution. At the same constant acceleration, how many revolutions would it take the blade to come to rest from an initial angular speed that was three times as great, v3 = 3v1?

A safety device brings the blade of a power mower from an initial angular speed of wi to rest in 1.00 revolution. At the same constant acceleration, how many revolutions would it take the blade to come to rest from an initial angular speed that was three times as great, v3 = 3v1?

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter10: Rotation Of A Rigid Object About A Fixed Axis

Section: Chapter Questions

Problem 37AP: A shaft is turning at 65.0 rad/s at time t = 0. Thereafter, its angular acceleration is given by...

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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.

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2. A safety device brings the blade of a power mower from an initial angular speed of wi to rest in 1.00 revolution.
At the same constant acceleration, how many revolutions would it take the blade to come to rest from an initial
angular speed that was three times as great, V3 = 3v1?

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