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
    If mass is halved and velocity increased by eight times then kinetic energy will be:

    A) Halved             

    B) \[\frac{1}{4}\,times\]

    C) 4 times 

    D)        8 times

    E) None of these

    Correct Answer: E

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