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iScience Vocabulary

Chapter 1 Describing Motion

TermDefinition
Reference Point Is the starting point you choose to describe the location,or position, of an object.
Motion Is the process of changing position
Displacement Is the difference between the initial position and the final position of an object.
Position Is an object's distance and direction from a reference point.
Speed Is the measure of the distance an object travels per unit of time.
Constant Speed Is the rate of change of position in which the same distance traveled each second.
Instantaneous Speed Is the speed at a specific instant time.
Average Speed Is the total distance traveled divide by the total time taken to travel that distance.
Velocity Is the speed and direction of a moving object.
Acceleration Is the measure of change in velocity during a period of time.
Created by: Kevfind
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