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Sci: Vocabs Chap.1
Chapter 1 Vocabularies
Term | Definition |
---|---|
Reference point | The starting point you choose to describe the location, or position, of an object. |
Position | An object distance and direction from a reference point. |
Motion | A process of changing position. |
Displacement | The difference between the initial position and the final position of an object. |
Speed | A measure of the distance an object travels per unit of time |
Constant speed | The rate of change of position in which the same distance is traveled each second. |
Instantaneous speed | Speed at a specific instant in time. |
Average speed | The total distance traveled divided the total time taken to travel that distance. |
Velocity | The speed and the direction of a moving object. |
Acceleration | A measure of the change in velocity during a period of time. |