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

  • question_answer
                        What is acceleration? How will you express it mathematically?

    Answer:

                      Acceleration is defined as the rate of change of velocity with time, i.e.,                      (1)                 Acceleration If the velocity of a body changes from u to v in time t, then mathematically, acceleration, a is given by or                                    (1)


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