Understanding the fundamental difference between speed and velocity
In short: Do you know why direction matters in physics? This video clarifies the essential distinctions between position, velocity, and speed, explaining how to calculate each using time and distance.
The video explores the mechanics of motion, specifically distinguishing between vector quantities and scalar quantities. It explains that position and velocity are vectors, meaning they include both magnitude and direction, whereas speed and distance are scalars that lack direction.
You will learn how to calculate average velocity by dividing the change in position by the change in time, and how average speed is determined by dividing the total distance travelled by time.
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Sources
- Summary by Intellect · source: Position, velocity, and speed | AP Physics | Khan Academy
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