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JEE Main & Advanced Physics Two Dimensional Motion Question Bank Non-uniform Circular Motion

  • question_answer
    A cane filled with water is revolved in a vertical circle of radius 4 meter and the water just does not fall down. The time period of revolution will be                       [CPMT 1985;                                     RPET 1995; UPSEAT 2002; MH CET 2002]

    A)             1 sec   

    B)             10 sec

    C)             8 sec   

    D)             4 sec

    Correct Answer: D

    Solution :

                    For critical condition at the highest point \[\omega =\sqrt{g/R}\]             Þ \[T=\frac{2\pi }{\omega }=2\pi \sqrt{R/g}=2\times 3.14\sqrt{4/9.8}\]= 4 sec.


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