JEE Main & Advanced Physics Two Dimensional Motion Sample Paper Topic Test - Two Dimensional Motion

  • question_answer
    A body is thrown horizontally from the top of a tower of height 5 m.  It touches the ground at a distance of 10 m from the foot of the tower.  The initial velocity of the body is \[\left( g=10m{{s}^{2}} \right)\] 

    A) \[2.5m{{s}^{1}}\]

    B) \[5m{{s}^{1}}\]

    C) \[10m{{s}^{1}}\]

    D) \[20m{{s}^{1}}\]

    Correct Answer: C

    Solution :

    [c] \[S=u\times \sqrt{\frac{2h}{g}}\] \[\Rightarrow \] \[10=u\sqrt{2\times \frac{5}{10}}\] \[\Rightarrow \] \[u=10\,m/s\]

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