Question

Which is 20 miles per hour north an example of?

A)acceleration
B)direction
C)speed
D)velocity

Answer 1

Velocity is the displacement divided by the elapsed time. You have a direction of motion, so you are dealing with a vector quantity.
\[\color{green}{\vec{v} = \dfrac{\Delta \vec{d}}{\Delta t}}\]

Answer 2

Velocity.

Answer 3

D