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

  • question_answer
                    A car covers first 50 km at a uniform velocity of 45 km/h and the next 50 km at 90 km/h. Find the average velocity of the car.

    Answer:

                      Total displacement = 50 km + 50 km = 100 km Total time (1) Average velocity                                               (1)


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