Answer
You travel 12.5 metres.
Work Step by Step
It is given that the car is travelling at 90km/hour.
Firstly, we must convert this quantity (speed) into metres per second. (m/s).
90km=9000m
And 1 hour= 60mins=60*60=3600seconds.
Therefore, 90km/h= frac{90\times1000}{3600}= 25 m/s.
Distance traversed is given by the product of the speed and the time.
Therefore, distance = 25m/s \times 0.5s = 12.5m
