Study

Motion 7

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  • What is average speed?
    average speed is total distance divided by total time
  • Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?
    100 seconds
  • Based on the graph, what is the speed of the moving object?
    2 m/s
  • Based on the graph, in which segment is the object at rest?
    segment B
  • describe the motion of the moving object
    it is moving at constant speed
  • A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
    10 m/s
  • Describe the motion at Point A
    The object is at rest
  • Which object is moving with the greatest speed?
    object at D
  • Describe the motion at Point B and D
    They are moving at constant speed