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  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
    Find the kinetic energy of a ball of mass 20 kg moving at a speed of\[20\text{ }m/s\].

    A) 2000 J

    B) 4000 J

    C) 6000 J

    D) 8000 J

    E) None of these

    Correct Answer: B

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