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Motion In A Plane

Question
CBSEENPH11018529

What is the angular velocity in radian per second of a flywheel making 300 r.p.m? 

Solution

Here, 
Frequency = 300 r.p.m = 300 over 60 space equals space 5 space r. p. s
Angular velocity of the flywheel,  
straight omega space equals space 2 πν space equals space 2 space straight x space 22 over 7 straight x space 5 space equals space 31.4 space rad divided by sec