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.

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Submitted by

**Answiki**on 12/07/2020 at 07:33:38 PM UTCTo 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

Answer by

**Answiki**on 12/07/2020 at 07:33:38 PMTo 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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