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NEET Sample Paper NEET Sample Test Paper-13

  • question_answer
    The displacement of a particle, moving in a straight line, is given by \[s=2{{t}^{2}}+2t+4\] where 5 is in metres and t in seconds. The acceleration of the particle is

    A) \[2\text{ }m/{{s}^{2}}\]          

    B) \[~4\text{ }m/{{s}^{2}}\]

    C) \[~6\text{ }m/{{s}^{2}}\]                   

    D) \[~8\text{ }m/{{s}^{2}}\]

    Correct Answer: B

    Solution :

     \[s=2{{t}^{2}}+2t+4,a=\frac{{{d}^{2}}s}{d{{t}^{2}}}=4\,m/{{s}^{2}}\]


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