At 30 kph you are covering 30,000 meters per hour, or 500 meters per minute, or about 8.3 per second. To cover just 123 meters it would take you 14.7 seconds.
54 kilometers per hour is equal to 15 Meters per Second so 30 meters per second
100 meters/9 seconds = 40 kilometers per hour = 24.85 miles per hour (rounded)
The time to drive four kilometers would depend on the speed the vehicle is going. At four kilometers per hour it would take one hour. At 32 kilometers per hour, it would take 15 minutes.
2.977 hours
75 kilometers per hour = 20.83 meters per second.
23.7 kilometers per hour = 6.583 meters per second.
18 kph = 18,000 meters per hour.
Hint: 10000 meters = 10 km, 30 minutes = ½ hour... 10,000 meters in 30 minutes = 10 kilometers per 0.5 hour = 20 kilometers per hour
both are equal. 60 kilometer in a second=60X60X60 meters in an hour=60X60X60/1000 kilometers in an hour=216 kilometers in an hour.
If you traveled 100 meters in 30 seconds, then you would be traveling at 3.333... meters per second, or 200 meters per minute, or 12 kilometers per hour (7.45 miles/hour).
45 kilometers per hour is the same as 27.9 miles per hour.
180 kilometers to mph