Branisko 70954

The Branisko tunnel has a length of 4975m.
How long will a car pass through the tunnel if the speed limit is 80km/h?

Correct answer:

t =  223.875 s

Step-by-step explanation:

s=4975 m v=80 km/h m/s=80:3.6  m/s=22.22222 m/s  s = v t  t=s/v=4975/22.2222=223.875 s

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