A machine part rotates at an angular speed of 0.70 rad/s; its speed is then increased to 3.1 rad/s at an angular acceleration of 0.88 rad/s². (a) Find the angle through which the part rotates before reaching this final speed. rad (b) In general, if both the initial and final angular speed are doubled at the same angular acceleration, by what factor is the angular displacement changed? Why? Hint: Look at the form of Equation 7.9.

A machine part rotates at an angular speed of 0.70 rad/s; its speed is then increased to 3.1 rad/s at an angular acceleration of 0.88 rad/s². (a) Find the angle through which the part rotates before reaching this final speed. rad (b) In general, if both the initial and final angular speed are doubled at the same angular acceleration, by what factor is the angular displacement changed? Why? Hint: Look at the form of Equation 7.9.

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 10P: A wheel 2.00 m in diameter lies in a vertical plane and rotates about its central axis with a...

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