A dog is running at 3.0 m/s for 3.6 km. How long did it take him to arrive at his destination? (Give answer in seconds)
This far into the course, and you don't get it that time = distance/speed?
s = m/(m/s)
So, here, 3.6km * 1000m/km / (3.0 m/s)
= 3600/3 = 1200s