MHT CET Physics question
A sphere of mass 'M' is attached to one end of a metal wire having length 'L' and diameter 'D'. It is whirled in a vertical circle of radius R with angular velocity ''. When the sphere is at lowest point of its path, the elongation of the wire is (Y = Young's modulus of the material of the wire, g = acceleration due to gravity) [MHT-CET 2022, MHT-CET 2022]
Answer: (A)
Solution
At the lowest point and with , giving ;
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