AP Physics Terms Chapter 2 Part 2

A vector that results from the sum of two other vectors; it always points from the first vectors tail to the last vectors tip
Time Interval
the difference between two times
a change in position having both magnitude and direction; is equal to the final position minus the initial position
Position-Time Graph:
a graph that can be used to determine an object's velocity and position, as well as where and when the two objects meet, by plotting the time data on a horizontal axis and the position data on a vertical axis
Average Velocity
the change in position divided by the time during which the change occurred; is the slope of an objects position-time graph
Average Speed
how fast an object is moving; is the absolute value of the slope of an objects position time graph
Instantaneous Velocity
a measure of motion that tells the speed and direction of an object at a specific instant in time