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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Conservation of Linear Momentum and Impulse

  • question_answer
    A bullet mass 10 gm is fired from a gun of mass 1kg. If the recoil velocity is 5 m/s, the velocity of the muzzle is [Orissa JEE 2002]          

    A)                             0.05 m/s                     

    B)                         5 m/s          

    C)             50 m/s

    D)             500 m/s

    Correct Answer: D

    Solution :

                    \[{{m}_{G}}{{v}_{G}}={{m}_{B}}{{v}_{B}}\] Þ \[{{v}_{B}}=\frac{{{m}_{G}}{{v}_{G}}}{{{m}_{B}}}=\frac{1\times 5}{10\times {{10}^{-3}}}=500m/s\]


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