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JEE Main & Advanced Physics Two Dimensional Motion Question Bank Self Evaluation Test - Motion in a Plane

  • question_answer
    An aircraft moving with a speed of 250 m/s is at a height of 6000 m, just overhead of an anti. Aircraft gun. If the muzzle velocity is 500 m/s, the firing angle q should be:

    A) \[30{}^\circ \]              

    B)        \[45{}^\circ \]   

    C) \[60{}^\circ \]   

    D)        \[75{}^\circ \]

    Correct Answer: C

    Solution :

    [c] \[500\cos \theta =250\Rightarrow \cos \theta =\frac{1}{2}\text{ or }\theta \,\text{=}\,\,\text{60}{}^\circ \text{.}\]           


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