Question

what is meant by velocity

Answer 1

Velocity is a vector expression of the displacement that an object or particle undergoes with respect to time . The standard unit of velocity magnitude (also known as speed ) is the meter per second (m/s). Alternatively, the centimeter per second (cm/s) can be used to express velocity magnitude.

Answer 2

" Velocity "

This can be defined as the speed which have a fixed direction.

It's SI unit is same that of speed.

It is a vector quantity.

This is measured as, Displacement / time taken.