MGIMS WARDHA MGIMS WARDHA Solved Paper-2012

  • question_answer
    Momentum of a body of mass 1 kg is 10 kg-m/s, then its kinetic energy will be

    A)  100 J                                    

    B)  50 J

    C)  1000 J                                  

    D)  200 J

    Correct Answer: B

    Solution :

                    Kinetic energy\[=\frac{{{p}^{2}}}{2m}\](p = momentum, m = mass)\[=\frac{10\times 10}{2\times 1}=50\,J\]


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