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  1. The displacement of a particle undergoing rectilinear motion along the x-axis is given by x = 2t3- 21t2 + 60t + 6 (m)
    The acceleration of the particle when its velocity is zero, is

    2. A.
    36 m/s2
    B.
    ± 18 m/s2
    C.
    9 m/s2
    D.
    - 9 m/s2

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    Answer : Option B

    Explanation :

    No answer description available for this question. Let us discuss.

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