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  3. 9th Class
  4. Science

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

  • question_answer
    A player kicks a football of mass 250 g placed at the centre of a field. The football leaves his foot with a speed of \[16\text{ }m/s\].Find the work done by the player on the ball.

    A) 4 J

    B) 8 J

    C) 32 J

    D) 16 J

    E) None of these

    Correct Answer: C

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