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Punjab Medical Punjab - MET Solved Paper-2010

  • question_answer
    A body when projected vertically up covers a total distance 5, during its time of flight. If we neglect gravity then how much distance the particle will travel during the same time? Will it fall back?

    A) \[s,\]Yes                             

    B) \[s,\]No

    C) \[2s,\]Yes                           

    D) \[2s,\]No

    Correct Answer: D

    Solution :

    Let particle is projected with speed\[u\], so total time of flight \[T=\left( \frac{2u}{g} \right)\]and\[s=2\times \]maximum height                 \[=2\times \frac{{{u}^{2}}}{2\,\,g}=\frac{{{u}^{2}}}{g}\] If there is no gravity then\[s=u\times T=\frac{2{{u}^{2}}}{g}=2\,\,s\] If gravity is not there, it will never fall back.


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