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AMU Medical AMU Solved Paper-2006

  • question_answer
    The velocity of a particle at an instant is 10 m/s. After 3s its velocity will become 16 m/s. The velocity at 2 s, before the given instant will be

    A)  6 m/s                                   

    B)  4 m/s

    C)  2 m/s                                   

    D)  1 m/s

    Correct Answer: A

    Solution :

                     From v = u + at [Here, u = 10 m/ s, v = 16 m/ s,                                 t = 3 s, 16 = 10 + 3a                 3a = 16 - 10                 a = 2\[m/{{s}^{2}}\]] and 10 = u + 2 \[\times \] 2          [u= required velocity]                 \[u=6\,m/s\]      \[(\because t=2\,s)\]


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