seconds
The SI unit is the second.
seconds
The SI unit of time is the "second".
A second.
A second is a measure of time, or a unit of time.
The base unit for time is the second.
second
the 'second'
The second.
The metric unit for time is the second (s). Temperature is measured using a thermometer.
You can't just convert any unit into any other unit. The units must be compatible - measure the same type of thing. For example, you can convert a unit of length to another unit of length, or a unit of time to another unit of time. An atmosphere is a measure of pressure, a foot is a measure of length, so you can't convert it.
It is not.913 miles per hour is a measure of speed while kilometres are a measure of distance. To get speed you need a unit of time. The SI unit is a second, so using that as the unit of time,913 miles per hour is 0.408 kilometres per second.It is not.913 miles per hour is a measure of speed while kilometres are a measure of distance. To get speed you need a unit of time. The SI unit is a second, so using that as the unit of time,913 miles per hour is 0.408 kilometres per second.It is not.913 miles per hour is a measure of speed while kilometres are a measure of distance. To get speed you need a unit of time. The SI unit is a second, so using that as the unit of time,913 miles per hour is 0.408 kilometres per second.It is not.913 miles per hour is a measure of speed while kilometres are a measure of distance. To get speed you need a unit of time. The SI unit is a second, so using that as the unit of time,913 miles per hour is 0.408 kilometres per second.