Velocity (noun)
Definition
Define the speed of an object in a particular direction. It is a measure of how quickly an object moves, and it includes both the magnitude (speed) and the direction of motion.
Etymology
The word velocity has Latin origins, derived from the Latin word velocitas, which means swiftness or speed. It entered the English language through Middle English.
Synonyms
- Speed
- Rapidity
- Swiftness
- Momentum
- Rate
- Celerity
Antonyms
- Slowness
- Inactivity
- Rest
- Standstill
- Stagnation
- Stillness
Example
The space probe achieved an incredible velocity as it hurtled through the cosmos, reaching previously thought to be unattainable speeds.
FAQs (Frequently Asked Questions)
How is velocity different from speed?
While velocity and speed measure how quickly an object is moving, it also includes the direction of motion.
How is velocity calculated?
It is calculated by dividing the change in position (displacement) of an object by the time it takes for that change to occur. Mathematically, velocity (v) can be expressed as v = Δx / Δt, where Δx represents the change in position and Δt represents the change in time.
How is velocity related to acceleration?
Acceleration are related because acceleration is the rate of change of velocity over time. An object can change its velocity by changing its speed, direction, or both, which is measured by acceleration.
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