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  3. BCECE Medical

BCECE Medical BCECE Medical Solved Papers-2012

  • question_answer
    A body of mass m is suspended from a string of length \[l\]. What is the minimum horizontal velocity that should be given to the body at its lowest position so that it may complete one full revolution in the vertical plane with the point of suspension as the centre of the circle?

    A)  \[v=\sqrt{2lg}\]

    B)  \[v=\sqrt{3lg}\]

    C)  \[v=\sqrt{4lg}\]

    D)  \[v=\sqrt{5lg}\]

    Correct Answer: D

    Solution :

    For looping the loop minimum velocity at the lowest point should be \[\sqrt{5gl}\].


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