Question

Simon drove through some roadworks where the speed limit was 50 mph. Two cameras recorded the time taken to travel 1200 m through the roadworks as 56 seconds . Was Simon speeding through the roadworks ?

Answer 1

`Speed = 21.43m/s`

Explanation:

Given

`Distance = 1200m` -- of the roadworks

`Time\ Recorded = 56s`

Required

Determine the speed

In this case:

`Speed = (Distance\ of\ Roadword)/(Time\ Captured)`

`Speed = (1200m)/(56s)`

`Speed = 21.43m/s` --- approximated