Answered: Answer "TRUE" or "FALSE" in each…

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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Answer "TRUE" or "FALSE" in each question. (explain clearly with equation if possible)

For a horizontal disk rotating about its vertical axis, every point on the disk

(A) has the same angular velocity,

(B) has the same tangential velocity,

(D) has the same angular acceleration, and

(E) increases angular velocity at the same rate when the disk is accelerating.

Definition Definition Rate of change of angular velocity. Angular acceleration indicates how fast the angular velocity changes over time. It is a vector quantity and has both magnitude and direction. Magnitude is represented by the length of the vector and direction is represented by the right-hand thumb rule. An angular acceleration vector will be always perpendicular to the plane of rotation. Angular acceleration is generally denoted by the Greek letter α and its SI unit is rad/s 2 .

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