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# What are angular acceleration units?

**The units for angular acceleration are radians per second squared (rads/sec^2).** Angular acceleration is the change in angular velocity during a given time interval, where radians is the measure for velocity and seconds are the units of time.

Radians are the standard unit of angular measurements. They are related to degrees through the unit circle, where 2 pi radians equals the 360-degree circle. Therefore, the conversion factor for transforming degrees into radians is pi/180 radians for every degree.

For algebraic calculations, angular velocity can be calculated by taking the difference of two given velocities and dividing them by the total time elapsed. When working with calculus-based physics, angular acceleration is the time derivative of angular velocity.

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