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  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    A player caught a cricket ball of mass 150 g moving at the rate of \[\text{20}\,\text{m}{{\text{s}}^{-1}}.\] If the catching process be completed in 0.1 s, the force of the blow exerted by the ball on the hands of the player is

    A)  0.3 N                                    

    B)  30 N

    C)  300 N                                   

    D)  3000 N

    Correct Answer: B

    Solution :

                     Force, \[F=\frac{m(u-v)}{t}\] \[=\frac{150\times {{10}^{-3}}(20-0)}{0.1}=30\,N\]


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