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JIPMER Jipmer Medical Solved Paper-2004

  • question_answer
    A ball of mass 10 g moving with acceleration of 20 m/s .is hit by a force which acts on it for 0.1 sec. The impulsive force is:

    A)  1.2 Ns                  

    B)         0.3 Ns                  

    C)  0.1 Ns                  

    D)         0.5 Ns

    Correct Answer: B

    Solution :

    Here : Mass of the ball m= 150 g time = 0.15 kg Acceleration of the ball \[=20\,m\text{/}{{s}^{2}},\] \[dt=0.1\,s\] Force, \[F=ma=0.15\times 20=3N\] Now impulsive force \[=F\times dt=3\times 0.1\] \[=0.3\,Ns\]


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