The wave formula is shown below. Check all boxes that are correct.
1 answer:
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Remember that the angular acceleration is the rate at which the angular velocity changes. Given that the angular acceleration is constant then we have tho following formula relating the angular acceleration 
and the angular velocity 
:
Where
is the final angular velocity and 
is the initial angular velocity. 
is the time the rotation took from the initial angular velocity to reach the final angular velocity.
Let's convert to rotations per second.
If we have 500 rotations per minute and a minute has 60 seconds we can apply a simple rule of three to get the answer:
We get the following for.
Finally the angular acceleration is:
The result is a negative value but this is expected as the rotating motion is deceletating. In the case of an increasing angular velocity we would have a positive angular acceleration.
Where
Let's convert
If we have 500 rotations per minute and a minute has 60 seconds we can apply a simple rule of three to get the answer:
We get the following for
Finally the angular acceleration is:
The result is a negative value but this is expected as the rotating motion is deceletating. In the case of an increasing angular velocity we would have a positive angular acceleration.