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This article provides a numerical description of distance, explains the concepts of speed and velocity, and discusses the role of acceleration in understanding motion. It also includes practice resources such as motion graphs and worksheets.
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Distance, Speed, and Velocity Laura LeMay
Distance numerical description of how far apart objects are from each other
SPEED *Rate at which object moves *most commonly measured by meters per second.
Constant speed moving object continues to move in the same direction, with the same speed
Variable Speed motion not running at particular speed (vari=change)
Velocity The speed and direction of moving object *2 ways: change in magnitude and/or a change in direction
Direction path that something takes
Position location relative to a reference point
acceleration rate the direction or speed changes http://www.youtube.com/watch?v=e5Gl2LLLAGo
Motion Graphs • Used to Better understand the motion of objects
Motion graph worksheet Practice, practice, practice