The blades of an aeroplane propeller are rotating at the rate of 600 revolutions per minute. Calculate its angular velocity.  from Physics Motion in A Plane Class 11 Manipur Board
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The blades of an aeroplane propeller are rotating at the rate of 600 revolutions per minute. Calculate its angular velocity. 

Here, 

Frequency, straight nu space equals space 600 space revolutions space per space minute 

                  equals 600 over 60 revolutions per second 

We know, 

Angular frequency, straight omega = 2 πν space equals space 2 space straight pi space straight x space 600 over 60 
                              = 20 straight pi rad sec-1 

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