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how fast an object is moving, is the absolute value of the slope of an object's position-time graph
the change in position, divided by the time during which the change occured, is the slope of an object's position-time graph
a system used to describe motion that gives the zero point location of the variable being studied and the direction in which the values of the variable increase
a change in position having both magnitude and direction; is equal to the final position minus the initial position
a measure of motion that tells the speed and direction of an object at a specific instant in time
a series of images showing the positions of a moving object taken at regular (equal) time intervals
a simplified version of a motion diagram in which the moving object is replaced by a series of single points
position vs. time graph
a graph that can be used to determine an object's velocity and position, as well as where and when two objects meet, by plotting the time data on a horrizontal axis and the position data on a vertical axis
slope of a position vs. time graph
indicates both the magnitude and direction, indicates the average velocity of the object and not its speed
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