Velocity Vector

Velocity Vector

### Formula:

$$\vec{v} = \frac{d\vec{r}}{dt}$$

### Terminologies:

- v⃗ → Velocity vector; rate of change of position vector.

- dr⃗ → Small change in position vector.

- dt → Small time interval.

- Derivative → Rate of change of one quantity with respect to another quantity.

### Usage:

- Used to determine velocity in two-dimensional motion.