Question

Name the unit which is used to express large speeds .
Fast please please.......

Answer 1

The SI unit of speed is the metre per second, but the most common unit of speed in everyday usage is the kilometre per hour or, in the US and the UK, miles per hour. For air and marine travel the knot is commonly used.

the unit is knot

Answer 2

Hello Mate,

It's right answer is=Mach speed is generally used to measure large speeds.

Hope this helps you