AIM, To calculate the speed of how fas the cars are going...
METHOD,
Measure out 50m
from start to finish push the time and stop it when they reach the end.
When you have finished do 50 divided by the time 50= the distance... and what you got is the speed of the car... ms-1
At the end of the experiment, we found the most cars on Carman road are going below the average speed limit because of the stoplight