Average Speed
Physics: Cambridge International GCSE Supplement, topic 1.2.1
Average Speed - Examples
Average speed = total distance / total time
Car
- If the car travels 60 miles in 1 hour it will have travelled at an average speed of 60 miles per hour.
Usain Bolt
- If Usain Bolt travels 100 metres in 10 seconds, his average speed will be 10 metres per second!
Test yourself on Average Speed
Usain Bolt broke a world record when he ran 100m in 9.58 seconds. What was his average speed?
How far would a runner travel in 30 seconds if she travels at a constant speed of 3m/s?
A cyclist travels at a constant speed of 5 m/s for 1 minute, before travelling at a constant speed of 10 m/s for another 10 seconds. How far does the cyclist travel overall?