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**Swami Vivekananda**

# Lecture 7 Motion in a Plane

00:00:20 Animation for Centripetal Acceleration Under Uniform Circular Motion

00:20:20 Angular Displacement

00:25:22 Angular Speed (Angular Velocity)

00:27:52 Relation between Angular Speed and Linear Speed

00:29:52 Relation between Centripetal Acceleration and Angular Speed

00:31:12 Time Period and Frequency in Uniform Circular Motion

00:33:42 Linear Speed in terms of Frequency

00:34:22 Angular Speed in terms of Frequency

00:34:52 Centripetal Acceleration in terms of Frequency

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