Motion in A Plane

Question: A fan is making 600 revolutions per minute. If after some time it makes 1200 revolutions per minute, then increase in its angular velocity is



1) \[10\,\pi \,rad/\sec \]
2) \[20\,\pi \,rad/\sec \]
3) \[40\,\pi \,rad/\sec \]
4) \[60\,\pi \,rad/\sec \]
Solution: Explanation: Explanation
Non-uniform-circular-motion

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