Speed

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  • speed and distance time graphs
    • average speed = distance/time
    • increasing the speed means increasing the distance travelled in the same time
      • increasing the speed reduces the time need to cover the same distance
    • a straight line on a distance time graph indicates the speed is constant
    • a curved line on a distance time graph indicates the speed is changing
    • the gradient of a distance-time graph tells you about the speed of the object
      • a higher  speed means a steeper gradient
    • speed is equal to the gradient of a distance-time graph
      • the higher the speed the steeper the gradient

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