Distance-Time and Velocity-Time graphs

VERY IMPORTANT NOTES:

• Gradient=speed
• Flat sections are where its stopped
• The steeper the graph, the faster it is going
• Downhill sections mean its going back towards its starting point
• Curve represent acceleration or deceleration
• A steepening curve means its speed up (increasing gradient)
• A evelling off curve means its slowing down (decreasing gradient)

Calculating Speed from a Distance-Time graph- Its just the gradient

For example: speed=gradient=vertical/horizontal =500/30 = 16.7m/s. Do not forget you have to use the scales of the axes to work out the gradient. Don't measure in cm!

Velocity Time Graphs

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