JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2014

  • question_answer
    A 10 kg ball moving with velocity 2 m/s collides with a 20 kg mass initially at rest. If both of them coalesce, the final velocity of combined mass is

    A) \[\frac{3}{2}\text{m}/\text{s}\]                               

    B) \[\frac{2}{3}\text{m}/\text{s}\]   

    C) \[{{\lambda }_{0}},\]                     

    D) \[\frac{25}{16}{{\lambda }_{0}}\]

    Correct Answer: D

    Solution :

                    Using law of conservation of momentum \[\frac{4\omega }{5}\] \[\frac{2\omega }{5}\] \[\frac{3\omega }{5}\]


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