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JCECE Medical JCECE Medical Solved Paper-2011

  • question_answer
    A body dropped from the top of a tower covers a distance \[7x\]in the last second of its journey, where \[x\] is the distance covered in first second. How much time does it take to reach the ground?

    A)  3s             

    B)  4s

    C)  5s             

    D)  6s

    Correct Answer: B

    Solution :

     Given, \[7x=\frac{g}{2}(2n-1)\] and \[x=\frac{1}{2}g{{(1)}^{2}}\] Solving these two equations \[n=4s.\]


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