Question

A car moves north at 12 miles per hour. Which option describes if the given value is speed or velocity?

- velocity, because there is a mention of time
- speed, because there is a specific direction
- speed, because there is a mention of time
- velocity, because there is a specific direction

Answer 1

Velocity, because there is a specific direction. Velocity and acceleration are both vector quantities which means they require direction. Speed on the other hand, only requires distance and time.

Explanation: