velocity
The rocket's velocity reached 17,500 mph during launch.
This describes both the speed and direction of the rocket.
The rate of change of position with respect to time, including direction
In physics, velocity is a vector quantity that describes both speed and direction.
This means it accounts for both how fast something is moving and the path it's taking.
In physics, velocity differs from speed because it includes direction.
The speed at which something moves, often in a specific context
The car's velocity increased as it accelerated down the highway.
Here, velocity refers to how fast the car is moving in a particular direction.
In everyday language, velocity is often used synonymously with speed.
Collocations
Related Phrases
Pro Tip
Physics vs. Common Usage
Remember that in physics, velocity includes direction, while speed does not.
Gold Rule
Vector Nature
Velocity is a vector quantity, meaning it has both magnitude and direction.
Word Origin
From Latin 'velocitas', meaning 'swiftness' or 'speed'
Usage Notes
In physics, velocity is a vector quantity, while speed is a scalar. In common usage, the terms are often interchangeable.