Motion in A Plane

Question: A fighter plane is moving in a vertical circle of radius ‘r’. Its minimum velocity at the highest point of the circle will be



1) \[\sqrt {3\,g\,r} \]
2) \[\sqrt {2\,g\,r} \]
3) \[\sqrt {g\,r} \]
4) \[\sqrt {gr/2} \]
Solution: Explanation: Explanation
Non-uniform-circular-motion

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