Physics A-Level
Instantaneous speed
What Instantaneous speed means in Physics A-Level, as defined for OCR.
Definition of Instantaneous speed
Check what you remember
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Reference: OCR
The magnitude of velocity at one instant, found from the gradient of a distance–time graph or a tangent.
Topics that use Instantaneous speed
- Kinematics (OCR A-Level)
Related terms
- Area under graphs
- Displacement
- Instantaneous versus average velocity
- Motion representation
- Sign and direction
- Velocity
- Average speed
- Constant and changing velocity
Using Instantaneous speed in the exam
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