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  3. 9th Class
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  5. Time and Motion

9th Class Science Time and Motion Question Bank Motion

  • question_answer
    The positions of a particle moving along a straight line are \[{{x}_{1}}=50\,\,m\] at 10.30 a.m. and \[{{x}_{2}}=55\,\,m\] m at 10.35 a.m. respectively. What is the displacement of the particle between 10.30 a.m. and 10.35 a.m.?

    A) \[2\,\,m\]                       

    B)        \[5\,\,m\]  

    C) \[7\,\,m\]                       

    D)        \[9\,\,m\]

    Correct Answer: B

    Solution :

    \[S={{x}_{2}}-{{x}_{1}}=55-50=5\,\,m\]


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