9th Class Science Sample Paper Science Sample Paper-1

  • question_answer
    A car accelerates uniformly from 5\[m{{s}^{-1}}\] to 20 \[m{{s}^{-1}}\] in 15 s. Calculate the acceleration.

    A) 1\[m{{s}^{-2}}\]         

    B) 10\[m{{s}^{-2}}\]

    C) 2\[m{{s}^{-2}}\]         

    D) 5\[m{{s}^{-2}}\]

    E) None of these

    Correct Answer: A


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