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

  • question_answer
    A player caught a cricket ball of mass 150 gm moving at a rate of 20 m/s. If the catching process be completed in 0.1 s, then the force of the blow exerted by the ball on the hands of the player is         [AFMC 1993; CBSE PMT 2001; BHU 2001]

    A)                              0.3 N              

    B)                         30 N            

    C)                         300 N             

    D)                         3000 N

    Correct Answer: B

    Solution :

                    Force exerted by the ball on hands of the player             \[=\frac{mdv}{dt}=\frac{0.15\times 20}{0.1}=30\ N\]            


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