Relative Velocity
### Formula:
$$v_{AB} = v_A - v_B$$
### Terminologies:
- v_AB β Velocity of object A with respect to object B.
- v_A β Velocity of object A with respect to ground.
- v_B β Velocity of object B with respect to ground.
### Usage:
- Used to find the velocity of one object as observed from another moving object.