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## Class 11 Physics (India)

### Unit 8: Lesson 11

Uniform circular motion introduction- Direction of radius, velocity and acceleration vectors in uniform circular motion
- Angular motion variables
- Distance or arc length from angular displacement
- Angular velocity and speed
- Connecting period and frequency to angular velocity
- Radius comparison from velocity and angular velocity: Worked example
- Linear velocity comparison from radius and angular velocity: Worked example
- Change in period and frequency from change in angular velocity: Worked examples
- Circular motion basics: Angular velocity, period, and frequency
- Uniform circular motion and centripetal acceleration review

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# Circular motion basics: Angular velocity, period, and frequency

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