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WB JEE Medical WB JEE Medical Solved Paper-2009

  • question_answer
    A bullet is fired with a velocity \[u\] making an angle of \[\text{6}{{\text{0}}^{\text{o}}}\] with the horizontal plane. The horizontal component of the velocity of the bullet when it reaches the maximum height is

    A)  \[u\]                                    

    B)  0

    C)  \[\frac{\sqrt{3u}}{2}\]                  

    D)  \[\frac{u}{2}\]

    Correct Answer: D

    Solution :

                     At the highest point there will be only horizontal    component    of   velocity \[u\,cos{{60}^{o}}=\frac{u}{2}\]


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