!!Word Puzzle!! 30points
ACROSS
7. The rate at which velocity changes with time
8. The state in which one object's distance from another is changing
10. The average speed is calculated by dividing the distance an object travels by the
time
12. The speed of an object at any given instant

DOWN
1. A place or object used for comparison to describe the position of motion of a person or object
2. The length and direction of a straight line between starting and ending points
3. To determine the acceleration of an object, you must calculate its change in
of time
4. A measurable quantity that consists of both a magnitude and a direction
5. If an object changes position relative to a reference point, it is in
6. An object's speed in a given direction
9. The length of a path between two points
11. The distance an object travels in a certain period without regard to direction
13. The steepness of a line on a graph, equal to its vertical change divided by its horizontal change
per unit​