2. Questions Bank
  3. 9th Class
  4. Science
  5. Work and energy

9th Class Science Work and energy Question Bank Work, Energy and Sound

  • question_answer
    An arrow of mass \[80\,g\]is moving with a velocity of\[100\text{ }m/s\]. The kinetic energy of the arrow is:

    A) 40 J                             

    B) 400 J

    C) 40,0000 J         

    D)        8,000 J

    E) None of these

    Correct Answer: B

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