Across
- 4. (speed) the total rate of how fast an object is moving
- 6. what is compared to an object to determine it is moving or not
- 8. direction and magnitude
- 9. (speed)rate of speed at one specific time
Down
- 1. a change in direction, speed or both
- 2. the length of space between two objects
- 3. the rate at how fast something is going
- 5. an object is moving if its distance changes per object
- 7. distance plus time