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9th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    A bullet of mass 20 g moving with a speed of \[120\text{ }m/s\]hits a thick muddy wall and penetrates into it. It takes 0.03 s to stop in the wall. Find the distance covered by the bullet in the wall?

    A) 2.6 m

    B) 3.6 m

    C) 1.8 m

    D) 0.9 m

    E) None of these

    Correct Answer: C

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