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Rachel Berlin

Chapter 11 vocab

TermDefinition
frame of reference a system of objects that are not moving with respect to one another
relative motion movement in relation to a frame of reference
distance the length of a path between two points
vector a quantity that has a direction associated with it
resultant vector the vector sum of two or more vectors
speed the ratio of the distance an object moves to the amount of time the object moves
average speed the total distance traveled divided by the time it takes to travel that distance
instantaneous speed the rate at which an object is moving at a given moment in time
velocity the speed and direction an object is moving measured relative to a reference point
acceleration the rate at which velocity changes
free fall the movement of an object toward earth because of gravity
constant acceleration a steady change in velocity
linear graph a graph in which the displayed data forms a straight line
nonlinear graph a graph in which the displayed data does not form a straight line
Created by: rachel.berlin
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