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what is average angular acceleration. A skater spins with an angular speed of 124 rads with her arms outstretched. When the speed of the spinning object changes it is accelerating angularly which has the variable symbol alpha a.
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The units of angular acceleration are radss or rads 2. The acceleration vector magnitude or length is directly proportional to the rate of change in angular velocity. Since this is an o versus tgraph and the curves are straight lines in each segment the average angular velocity oaverageis the middle value of the line or oaverage ofinal oinitial2.
The angular acceleration is also known as rotational acceleration.
The average angular acceleration is simply the change in angular speed divided by the time it takes to do so. It is measured in terms of radians per second squared. The units of angular acceleration are radss or rads 2. Angular acceleration is the time rate of change in the angular velocity.
