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  3. 9th Class
  4. Science
  5. Time and Motion

9th Class Science Time and Motion

  • question_answer 20)
    A bus decreases its speed from 80 km h-1  to 60 km h-1 in 5 s. Find the acceleration of the bus.  

    Answer:

    Initial velocity = 80 km Final velocity Time            The acceleration of bus is -1.11 m


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