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Manipal Medical Manipal Medical Solved Paper-2014

  • question_answer
    What is maximum height of a stone thrown vertically upward, if its velocity is halved in 1.5 s ? (\[g=10\,m/{{s}^{2}}\])

    A) 20m                                          

    B) 25m

    C) 30m                                          

    D) 45m

    Correct Answer: D

    Solution :

    \[v=\frac{u}{2}=u-gt\] \[=u-\frac{3}{2}g\] \[t=1.5\,\,s\] \[u=30\,m/s\]  \[h=\frac{{{u}^{2}}}{2g}\]                                         \[h=\frac{30\times 30}{2\times 10}=45\,m\]


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