What is velocity, because it describes both speed and direction

A. A magnitude

B. A force arrow

C. The same as acceleration

D. A vector

A vector ⇒ answer D

Step-by-step explanation:

* Lets revise some definition to solve the problem

- Speed = distance : time

∵ Distance has no direction

∴ Speed has no direction

∴ Speed is a scalar quantity ⇒ (magnitude only)

- Velocity = displacement : time

∵ Displacement has direction

∴ Velocity has direction

∴ Velocity has magnitude and direction

∵ Any vector has magnitude and direction

∴ Velocity is a vector quantity

∵ Velocity describes both speed (magnitude) and direction

∴ Velocity is a vector