Answer:
1 km / 1000 m
60 min / 1 hr
60 s / 1 min
Explanation:
To convert 75 m/s to km/h, we need to convert m to km and s to hr.
To convert m to km, we use the following conversion factor
1 km/ 1000 m
And to convert s to hr, we use the factors
60s / 1 min x 60 min/ 1h
Then, we can convert 75 m/s to km/h as follows
[tex]75\text{ m/s}\times\frac{1\text{ km}}{1000\text{ m}}\times\frac{60\text{ s}}{1\text{ min}}\times\frac{60\text{ min}}{1\text{ h}}=270\text{ km/h}[/tex]
Therefore, the answers are
1 km / 1000 m
60 min / 1 hr
60 s / 1 min
