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chapter 4 vocab. 13
glossary vocabulaary words
| Question | Answer |
|---|---|
| Regarded in relation to something else. Depends on point of view or frame of reference. | relative |
| How fast something is moving; the path distance moved peer time. The magnitude of the velocity vector. | speed |
| The speed at any instant of time. | instantaneous speed |
| Path distance divided by time. | Average speed |
| Speed together with the directionof motion. | Velocity |
| The rate at which velocity is changing. The change may be in magnitude, direction, or both. | Acceleration |
| motion under the infruence of the gravitational force only. | Free Fall |
| The time that has pased since the beginning of an event. | elapsed time |