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

  • question_answer
                          Deduce the following equations of motion:            (i) (ii)

    Answer:

                   (i) Consider a body which starts with initial velocity u and due to uniform acceleration a, its final velocity becomes v after time t. Then, its average velocity is given by Average velocity                      The distance covered by the body in time t is given by Distance, s = Average velocity X Time (ii) We know that                    Also,           Þ              Putting the value of t in (1), we have                                    or                            or           


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