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MGIMS WARDHA MGIMS WARDHA Solved Paper-2009

  • question_answer
    A panicle rests on the top of a hemisphere of radius R. Find the smallest horizontal velocity that must be imparted to the panicle, if it is to leave the hemisphere without sliding down it a

    A)  \[\sqrt{gR}\]                                    

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

    C) \[\sqrt{3gR}\]                                   

    D) \[\sqrt{5gR}\]  

    Correct Answer: A

    Solution :

                     The smallest horizontal velocity \[{{v}^{2}}=gR\] where R is the radius of hemisphere \[\Rightarrow \]               \[v=\sqrt{gR}\]          


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