Velocity

Definition

Velocity describes both the speed and direction of an object's motion. It is a vector quantity that requires both magnitude and direction for complete description.

Related terms

Speed: Speed is a scalar quantity that refers to how fast an object is moving. It does not include information about direction.

Displacement:

Displacement is the change in position of an object. It is a vector quantity and can be calculated by subtracting initial position from final position.

Instantaneous Velocity:

Instantaneous velocity refers to the velocity of an object at a specific instant in time. It can be found by calculating the derivative of the displacement-time graph.