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.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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