9th Class Science Sample Paper Science Olympiad Model Test Paper-21

  • question_answer
    4900 J of work was done in lifting a body of 50 kg mass. Calculate the height through which this body is raised.

    A) 5 m

    B) 2 m

    C) 8 m

    D) 10 m

    E) None of these

    Correct Answer: D

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