55 miles per hour
20.9mph
An object traveling 0.6 miles in 1.2 seconds is traveling at a speed of 2 miles per second, which is 7200 miles per hour.
6.21 mph
According to the Princeton experiment, a speed of 57,747,544 miles per second was achieved.
Since 1 nautical mile = 1.852 km, so 8000 nautical miles will be 8000 x 1.852 kms that is 14816 kilometers .
It is always 3600 seconds per hour: the speed at which you are travelling is totally irrelevant.
72.4 kph
38 mph = about 61.1 kph
28 mph = 45.06 km/hr (rounded)
That depends on the speed at which one is traveling.
72.42Km/hr
62.8 kph
35 mph = 0.0156464 kilometers per second.
43.4 mph one km=.62 miles
46 mph = 74.03 kph
-- The car's speed is 70 kilometers per hour.-- In order to state its velocity, we need to know the directionin which it's traveling, as well as its speed.'Velocity' is not merely a fancy word for 'speed'. It means more than 'speed'.
300,000,000 meters per second.(or 300,000 kilometers, or 186,282 miles, or 1,490,256 furlongs)
50 kilometers per hour 30 miles per hour