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JEE Main & Advanced Physics NLM, Friction, Circular Motion Question Bank Second Law of Motion

  • question_answer
    A cricket ball of mass 250 g collides with a bat with velocity 10 m/s and returns with the same velocity within 0.01 second. The force acted on bat is                    [CPMT 1997]

    A)                         25 N               

    B)                         50 N            

    C)                         250 N             

    D)                         500 N          

    Correct Answer: D

    Solution :

                    Force\[=m\ \left( \frac{dv}{dt} \right)=\frac{0.25\times [(10)-(-10)]}{0.01}=25\times 20=500\ N\]


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