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Browse the glossary using this index

Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL

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A

acceleration

the rate at which velocity changes

average speed

distance traveled divided by time during which motion occurs

average velocity

displacement divided by time over which displacement occurs

 

D

dependent variable

the variable that changes as the independent variable changes

displacement

the change in position of an object against a fixed axis

distance

the length of the path actually traveled between an initial and a final position

I

independent variable

the variable, usually along the horizontal axis of a graph, that does not change based on human or experimental action; in physics this is usually time

instantaneous speed

speed at a specific instant in time

instantaneous velocity

velocity at a specific instant in time

K

kinematics

the study of motion without considering its causes

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