Question

what is the difference between speed and velocity (points 3)

Answer 1

SPEED

1.Speed is total path covered per unit time.
2.it is a scalar quantity
3.It is always positive.
4.it has magnitude but no direction.
VELOCITY

1.Velocity is the rate of change of diaplacement
2.It is a vector quantity
3.It can positive,negative or 0.
4.It has magnitude and direction both

Answer 2

1.   Speed is a scalar quantity.                         Velocity is a vector quantity.

2.   Speed has magnitude only.                        Velocity has magnitude and 
                                                                         direction both.

3.   The magnitude of speed can                      The magnitude of velocity can
       never be negative.                                      be positive, negative or zero.