P3a Speed

- What is speed?
- What are the units for speed?
- How is average speed calculated?
- How is the distance travelled by an object related to the average speed and time taken?
- What units must be used when calculating speed?
- When does v=s/t?
- How are meters and kilometres related?
- Explain how "average speed" Speed cameras work.
- Explain how Speed cameras that take two pictures work.
- How does increasing speed affect the time take to cover a certain distance?
- How does increasing speed affect the distance travelled in a given amount of time?
- What is meant by uniform motion, or uniform speed?
- How is the gradient of any graph calculated?
- What quantity is equal to the gradient of a distance-time graph?
- What shape does the line on a distance-time graph have if the speed is not uniform?