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9th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    How much momentum will a dumb-bell of mass 10 kg transfer to a floor if it falls from a height of 80 cm? Take its downward acceleration to be.

    A) 30 kg m/s

    B) 40 kg m/s

    C) 20 kg m/s

    D) 25 kg m/s

    E) None of these

    Correct Answer: B

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