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CMC Medical CMC-Medical VELLORE Solved Paper-2011

  • question_answer
    A sphere is suspended by a thread of length 1. The minimum horizontal velocity which has to be imparted to the sphere for it to reach the height of suspension is

    A)  \[2\sqrt{gR}\]                  

    B)  \[\sqrt{2gl}\]

    C)  2gl                                        

    D)  gl

    E)  \[\sqrt{gl/2}\]

    Correct Answer: B

    Solution :

                    To reach the height of suspension, \[h=l\] \[v=\sqrt{2gh}=\sqrt{2gl}\]


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