There is no conversion. Hours are based on how many RPMs the engine turns, and is intended as a unit of measure for motors in vehicles which typically have a lot of idle time, or motors used for purposes other than propelling a vehicle.
About 130db but that is just one car
60 miles
3 miles
There are 60 minutes in an hour, so 60 miles an hour.
Eighty. That is what "miles per hour" means. It means how many miles you will go in one hour, if you keep going at that speed.
55 miles
(42 miles/hour) x (1 hour) or 42 miles.
(70 miles/hour) x (1 hour) = 70 miles
80mph = 80 miles/hour If you drive for one hour at 80 miles/hour, you will travel 80 miles.
80........ Miles per hours, get it
65 miles per hour / 1 hour = 65 miles
55 miles