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Haryana PMT Haryana PMT Solved Paper-2004

  • question_answer
    For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increase to :

    A)  four times                         

    B)  thrice

    C)  once                                    

    D)  twice

    Correct Answer: A

    Solution :

                                             The formula for time of flight and horizontal ray is given by as \[g{{T}^{2}}=2R\,\tan \alpha \] \[\Rightarrow \]\[R\propto {{T}^{2}}\]     .....(l) From the relation (1), if T is doubled then R will be four times


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