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Unit 4
Motion and Speed Notes
| Term | Definition |
|---|---|
| Position | describes the location of an object. |
| reference point | a location to which you compare other locations. |
| Motion | a change in position over time. |
| speed of an object | a measure of how far something moves in a given amount of time. |
| vector | a quantity that is both size and direction. |
| Velocity | speed in a specific direction. |