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Motion In A Plane

Question
CBSEENPH11018632

The blades of an aeroplane propeller are rotating at the rate of 600 revolutions per minute. Calculate its angular velocity? 

Solution

Here, 
Angular frequency, straight nu = 600 r.pm 
                                = 600 over 60 space r e v o l u t i o n divided by s e c 
We know, 
straight omega space equals space 2 πν space equals space 2 straight pi space straight x space 600 divided by 60 space

space space space space equals space 20 space straight pi space rad divided by sec
This is the required angular velocity.