Across
- 2. the average distance that something travels over time
- 6. a vector quantity that is the time derivative of velocity
- 9. the difference between the ending time and beginning time
Down
- 1. the speed of the object at any given moment of time
- 3. motion that is observed from one reference frame
- 4. the falling motion of an object without resistance
- 5. the rate at which an object changes its position
- 7. rate of change
- 8. how fast an object is moving