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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 |