P3b Changing Speed

- How is constant speed shown on a speed-time graph?
- How is increasing speed shown on a speed-time graph?
- How is decreasing speed shown on a speed-time graph?
- What quantity is equal to the gradient of a speed-time graph?
- How are constant, increasing and decreasing accelerations shown on a speed-time graph?
- What is acceleration?
- What are the units for acceleration?
- How is acceleration calculated?
- What is the difference between a positive and negative acceleration?
- What effects can an acceleration have on the motion of an object?
- What is the difference between a vector and a scalar quantity?
- What is the difference between speed and velocity?
- What is relative velocity?
- How is relative velocity calculated?
- What does uniform acceleration mean?
- What happens to the shape of speed-time graph if the acceleration is non-uniform?
- What quantity is equal to the gradient of a speed-time graph?