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JEE Main & Advanced Physics Motion in a Straight Line / सरल रेखा में गति Question Bank Non-uniform Motion

  • question_answer
    The motion of a particle is described by the equation \[u=at\]. The distance travelled by the particle in the first 4 seconds                                                                                                                        [DCE 2000]

    A)             \[4a\]   

    B)             \[12a\]

    C)             \[6a\]   

    D)             \[8a\]

    Correct Answer: D

    Solution :

                    \[u=at,\ x=\int_{{}}^{{}}{u\ dt}=\int_{{}}^{{}}{at\ dt=\frac{a{{t}^{2}}}{2}}\]             For \[t=4\ \sec ,\ x=8a\]


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