What is the S.I. unit of speed?
m/s
km/h
km
km/s
The basic unit or the S.I. unit of speed is meter per second. This means that to cover a distance of 1 meter, the time required is 1 second.
The basic unit of speed is:
(i) km/min
(ii) m/min
(iii) km/h
(iv) m/s