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11th Class Physics Sample Paper Physics Sample Paper-3

  • question_answer
    With what minimum speed v must a small ball should be pushed inside a smooth vertical tube from a height h so that it may reach the top of the tube? (Radius of the tube is R)

    A) \[\sqrt{2g(h+2R)}\]              

    B) \[\frac{5}{2}R\]

    C) \[\sqrt{g(5R-2h)}\]                      

    D) \[\sqrt{2g(2R-h)}\]

    Correct Answer: D

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