Question

The angular speed of a fan making 240 revolution/min will be​

Answer 1

Answer:

What I can not understand

Explanation:

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Answer 2

Power P= T×w. w=angular velocity

w=V/R. V=linear velocity,R= radius of rotation or curvature

But we also know P=2πNT/60

So angular velocity w is w=2πN/60

Given speed N=240

w=2×π×240/60=8π