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Module 1 Review

Motion

TermDefinition
Scientific Method a set of steps scientists use to learn new things and solve problems.
Dimensional Analysis a way to change one unit of measurement to another.
Independent Variable the one the scientist changes on purpose during an experiment. It is placed on the x-axis of a graph.
Dependent Variable what the scientist measures or studies.
Distance The distance traveled from one place to another.
Displacement The straight-line distance from one place to another, including the direction from the first spot to the second spot.
Instantaneous speed The speed at a certain moment, like the number you see on a speedometer in a car.
Average speed The total distance traveled divided by the total time it took to travel.
Velocity How fast something moves and the direction it is going. It is the change in position divided by the change in time.
Acceleration is how fast velocity changes. You find it by dividing the change in velocity by the change in time.
Momentum how much motion something has. It depends on how fast it is moving and how big it is.
Impulse the change in momentum when a force is applied over time.
Created by: aguy14
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