Combined Science GCSE
Instantaneous speed as a tangent gradient
What Instantaneous speed as a tangent gradient means in Combined Science GCSE, as defined for AQA.
Definition of Instantaneous speed as a tangent gradient
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Reference: AQA
The speed at one instant equals the gradient of the tangent at that point, found by dividing the change in distance by the change in time between two well-separated points on the tangent.
Topics that use Instantaneous speed as a tangent gradient
- The distance–time relationship (AQA GCSE)
Related terms
- Accelerated motion and curved graphs
- Average and instantaneous speed from graphs
- Changing speed
- Constant speed
- distance–time graph
- Gradient
- Practical graph-reading skills
- Calculating change in distance and time
Using Instantaneous speed as a tangent gradient in the exam
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