A hollow vertical cylinder of radius R and height h has a smooth internal surface. A small particle is held in contact with the inner side of the upper rim at a point P. It is given a horizontal speed vq tangential to the rim. It leaves the lower rim at point Q, vertically below P. The number of revolutions made by the particle will be [Take acceleration due to gravity g]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
A hollow vertical
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