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9th Class Science Time and Motion Question Bank 9th CBSE Science Motion

  • question_answer
      A train starts from rest and accelerates     uniformly for 30 s to attain a velocity of 72 km/h. Find its acceleration.

    Answer:

                      Given, Initial velocity, u = 0, Time taken t = 30 s, Final velocity, v = 72 km/h                                            (1) Acceleration (1)


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