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NEET Sample Paper NEET Sample Test Paper-49

  • question_answer
    Two stones are projected with the same speed but making different angles with the horizontal. Their horizontal ranges are equal. The angle of projection of one is \[\pi /3\] and the maximum height reached by it is 102 m. Then the maximum height reached by the other in metre is-

    A) 336                              

    B) 224   

    C) 56                                

    D) 34

    Correct Answer: D

    Solution :

    Since both projectiles have equal range, thus angle of projection of second is\[\left( 90\,\,-\,\,\theta  \right)\]. \[\Rightarrow \,\,\,\,\frac{{{H}_{1}}}{{{H}_{2}}}\,\,=\,\,{{\tan }^{2}}\,60{}^\circ \] \[\Rightarrow \,\,\,{{H}_{2}}={{H}_{1}}/3=34\,m\]


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