A distance-time graph showing a journey on a motorway is given. Calculate the average speed for the journey.
- A$50\,\text{km h}^{-1}$
- B$67\,\text{km h}^{-1}$
- C$70\,\text{km h}^{-1}$
- D$83\,\text{km h}^{-1}$
Physics 0625 · IGCSE · Motion
A distance-time graph showing a journey on a motorway is given. Calculate the average speed for the journey.