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NEET Sample Paper NEET Sample Test Paper-25

  • question_answer
    A 30 gm bullet initially travelling at 120 m/s penetrates 12 cm into a wooden block. The aver- age resistance exerted by the wooden block is

    A)  2850 N                        

    B)  2200 N

    C)  2000 N                        

    D)  1800N

    Correct Answer: D

    Solution :

     \[F=\frac{m({{u}^{2}}-{{v}^{2}})}{2S}=\frac{30\times {{10}^{-3}}\times {{(120)}^{2}}}{2\times 12\times {{10}^{-2}}}=1800\,N\]


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