Question

Difference between speed and velocity ? Five points .

Answer 1

1)Speed doesn't have direction while velocity has direction.

2)Speed is a scalar quantity while velocity is a vector quantity.

3)Basically the term speed is not used at microscopic level while velocity is used almost all the times at microscopic level.

4) Speed is not a fundamental physical quantity while velocity is.

5)However to measure speed we have speedometer while no such meters are their for velocity.