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AMU Medical AMU Solved Paper-2012

  • question_answer
    A man runs at a speed of 4.0 m/s to overtake a standing bus. When he is 6.0 m behind the door (at t = 0), the bus moves forward and continues with a constant acceleration of\[1.2\,\,m/{{s}^{2}}\]. The man shall gain the door at time t equal to

    A)  5.2 s     

    B)  4.3 s

    C)  2.3 s

    D)                  The man shall never gain the door  

    Correct Answer: B

    Solution :

                     Kinetic energy acquired by the body = Force applied on it \[\times \] Distance covered by body \[v\,.\,E=F\,.\,\,d\] If F and d both are same then KE acquired by the body will be same.


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