Mach 1 is 1,225.044 km/h
i think its 700 mph
just one kilometer an hour!
kph stands for Kilometer per Hour. 1 Kilometer per Hour is one (1) kilometer traveled in one (1) hour.
1 knot = 1.85200 kilometers per hour
1/4 of a hour
One kilometre is 1000 metres. So one kilometre per hour is 1000 metres per hour.
One knot is .5392545660.54396 km/ hr.
It would depend on the velocity of the object you are measuring.
At one kilometer an hour 377 hours.
In one hour, a vehicle traveling at a constant speed of 1 kilometer per hour would cover a distance of 1 kilometer. This is because the speed of 1 kilometer per hour means the vehicle is moving at a rate of 1 kilometer for every hour it travels. Therefore, after one hour, the vehicle would have traveled a distance of 1 kilometer.
Mach one is the speed of sound, which is about 761.2 miles per hour (340.3 meters per second). Mach two is twice the speed of sound, which is about 1,522.4 miles per hour (680.6 meters per second).
Ok, let's figure this one out: Assume mach speed is 1,010 feet per second, we could travel 689 miles in one hour. (1010 ft * 60sec *60min) / 5,280 ft = 689 mph rounded. Therefore, 0.81 of mach should be 558.09 mph