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AMU Medical AMU Solved Paper-1998

  • question_answer
    An aeroplane is flying horizontally with a velocity of 216 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground at point B. The distance AB is (ignoring air resistance)

    A)  1200m          

    B)  0.33 km

    C)  3.33km          

    D)  33 km.

    Correct Answer: A

    Solution :

    : Horizontal velocity of aeroplane, \[u=\frac{216\times 1000}{60\times 60}=60\,m/s\] Time of flight, \[T=\sqrt{\frac{2s}{g}}=\sqrt{\frac{2\times 1960}{9.8}}=20\,s\] Horizontal range,\[=AB=nT\] \[=60\times 20=1200m\].


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