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

  • question_answer
    A rocket of mass 1000 kg exhausts gases at a rate of 4 kg/sec with a velocity 3000 m/s. The thrust developed on the rocket is                             [Orissa JEE 2005]

    A)  12000 N        

    B)             120 N

    C)             800 N 

    D)             200 N

    Correct Answer: A

    Solution :

                                \[F=u\left( \frac{dm}{dt} \right)=3000\times 4=12000\ N\]          


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