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  1. Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating,...

  2. Key fact. In a distance-time graph, the gradient of the line is equal to the speed of the object. The greater the gradient (and the steeper the line) the faster the object is moving....

  3. How to Find Distance in Speed-Time Graph. The diagram below shows a speed-time graph of a car. A straight line indicates a constant speed for a length of time. In order to calculate distance traveled, you’ll need to consider the horizontal axis and vertical axis as length and breadth.

  4. Revision notes on Distance-Time & Speed-Time Graphs for the AQA GCSE Maths syllabus, written by the Maths experts at Save My Exams.

  5. To find the speed of an object from a distance-time graph, we need to calculate the gradient (or slope) of the line. First choose two points that lie the line - say point A is (0 , 0) and point B is (10 , 50).

  6. 1. Use the formula for gradient. To find the gradient of a graph, we use the formula change in y / change in x. gradient = change in y / change in x = distance / time. 2. Find the distance and time. Using the graph, find values for distance and time. Distance = 12km. Time = 8 mins.

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  8. Mar 2, 2014 · Calculating speed. If an object is travelling at a constant speed, you can use distance ÷ time to calculate its average speed. Look at points on the y-axis that the object traveled (the distance) and work out: highest distance – smallest distance.

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