12 mph = 12 * 1760 * 3 / 3600 = 17.6 feet per second
The speed is 4.1 miles per hour.
There are 3600 seconds per hour, and 5280 feet per mile. You can use those two numbers to convert from feet per second to miles per hour. Just make sure the units are right when you are finished.
100 miles per hour = [ 146 and 2/3 ] feet per second. (You don't need to know how long the speed lasted in order to know the speed.)
The speed of light in a vacuum is 299 792 458 meters per second or 983,571,056.43045 feet per second or 186,282.397 miles per second or 670,616,629.2 miles per hour.
Three miles in 45 minutes is an average speed of 4 miles per hour or 5.87 feet per second.
They are very close but 18 feet per second is slightly faster: 12.2727 mph
65 miles per hour is the fastest.5,240 feet per minute = 59.5 mph28 yards per second = 57.3 mph
That is 146.7 feet per second.
To convert miles per hour to feet per second multiply by 5280 (feet in a mile) and then divide by 3600 (seconds in an hour).
Jesse is traveling at 154 feet per second.
62.5 miles per hour equates to 91.67 feet per second.
205.3 feet per second at 140 mph
80.67 feet per second.
The speed is 4.1 miles per hour.
The speed of light is exactly 299,792,458 meters per second, which is approximately 186,282 miles per second through vacuum. The speed of sound is 1,126 feet per second, or 768 mph at sea level at 68 °F. Therefore, light is faster.
Speed or velocity can be measured in a number of units. Miles per hour, feet per second, metre per second.
983,571,056.43045 feet/second in a vacuum.