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Chapter 5(section 1)
| Question | Answer |
|---|---|
| Motion | An object's change in position relative to a reference point. |
| Speed | The distance traveled divided by the time interval during which the motion occurred. |
| Velocity | The speed of an object in a particular direction. |
| Acceleration | The rate at which velocity changes ocer time; an object accelerates if its speed, direction, or both change. |