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9th Class Science Work and energy Question Bank 9th CBSE Science Work and energy

  • question_answer
      A body of mass 5 kg is thrown vertically upwards with an initial velocity of 50 m/s. What will be its potential energy at the end of 5 s?          

    Answer:

         Given, Height covered by the body in 5s is Therefore, PE of the body after 5 s


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