Speed and velocity (AQA GCSE Physics): Flashcards

How far an object travels in a certain time; scalar quantity (no direction)

Speed with direction; vector quantity

Scalar quantity

Vector quantity

Velocity includes direction; speed does not

$\text{speed} \times \text{time}$

$\frac{\text{distance}}{\text{time}}$

$\frac{\text{total distance}}{\text{total time}}$

1.5 m/s

3 m/s

6 m/s

330 m/s

$3 \times 10^8$ m/s

When direction changes

m/s, km/h, mph