A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec2, then the radial acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is Multiple Choice0.950 m/s2.1.08 m/s2.1.25 m/s2.1.58 m/s2.1.83 m/s2.

1)Diameter of CD , D=12cm2)Angular acceleration of CD, α=2 rad/sec23)We need to find radial…

Answered: A CD has a diameter of 12.0 cm. If the…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

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Problem 21CQ: What is wrong with the following expressions? How can you correct them? (a) C=AB , (b) C=AB , (c)...

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A CD has a diameter of 12.0 cm. If the CD starts from rest and has a constant angular acceleration of 2.00 rad/sec²^, then the radial acceleration of a point 3.00 cm from the center of the CD after 3.00 sec is

Multiple Choice
0.950 m/s2.
1.08 m/s2.
1.25 m/s2.
1.58 m/s2.
1.83 m/s2.

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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