MHT CET Physics question
A particle rotates in horizontal circle of radius 'R' in a conical funnel, with speed 'V'. The inner surface of the funnel is smooth. The height of the plane of the circle from the vertex of the funnel is (g = acceleration due to gravity) [MHT-CET 2020, MHT-CET 2020]
Answer: (C)
Solution
With half-angle : and give ; since
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