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J & K CET Engineering J and K - CET Engineering Solved Paper-2010

  • question_answer
    An object is projected so that its horizontal range R is maximum. If the maximum height attained by the object is H, then the ratio of R/H is

    A)  \[4\]               

    B)  \[1/4\]

    C)  \[2\]               

    D)  \[1/2\]

    Correct Answer: A

    Solution :

    \[R=4\,H\,\,cot\,\theta \] Here,          \[\theta ={{45}^{o}}\] then           \[R=4H\] \[\Rightarrow \] \[\frac{R}{H}=\frac{4}{1}\]


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