Question #243   Submitted by Answiki on 12/07/2020 at 07:10:55 PM UTC

A fan starts from rest and attains speed of 4 rev/min in 2 mins. Then, find its angular acceleration.

Answer   Submitted by Answiki on 12/07/2020 at 07:33:38 PM UTC

To find the angular velocity of a fan reaching 4rev/min in two minutes, let's start by converting the speed to radians per second:








From the previous, we can now calculate the average acceleration:





In conclusion, the average angular acceleration is 

2 events in history
Answer by Answiki on 12/07/2020 at 07:33:38 PM

To find the angular velocity of a fan reaching 4rev/min in two minutes, let's start by converting the speed to radians per second:








From the previous, we can now calculate the average acceleration:





In conclusion, the average angular acceleration is 

Question by Answiki 12/07/2020 at 07:10:55 PM
A fan starts from rest and attains speed of 4 rev/min in 2 mins. Then, find its angular acceleration.
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