NEET Sample Paper NEET Sample Test Paper-14

  • question_answer ) A particle starts from rest. Its acceleration \[(a)\] versus time \[(t)\]graph is as shown in the figure. The maximum speed of the particle will be:

    A) \[110\,m/s\]                 

    B)  55 m/s

    C)  550 m/s                      

    D)  660 m/s

    Correct Answer: B

    Solution :

    The area under the acceleration - time graph gives change in velocity. Since, the particle starts with\[u=0,\]therefore, change in velocity = maximum speed\[=\frac{1}{2}\times 10\times 11=55\frac{m}{s}.\] Hence, the correction option is [b].

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