Mathematics A-Level
speed and distance in 3D
What speed and distance in 3D means in Mathematics A-Level, as defined for WJEC.
Definition of speed and distance in 3D
Check what you remember
Read the wording for your board, then hide it and explain speed and distance in 3D in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Speed is computed as the magnitude of the velocity vector |v| and distance from origin as |r|.
Topics that use speed and distance in 3D
- Vectors (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- 3D Cartesian vectors and components
- 3D kinematics and calculus
- Displacement vector
- Magnitude
- magnitude and spatial distance in three dimensions
- Parallel vectors
- Unit vector
- Vector
Using speed and distance in 3D in the exam
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