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8th - Ch. 1 Vocab.
| Question | Answer |
|---|---|
| Displacement | a vector that is the difference between the initial and final position of an object |
| vector | a quantity with both size and direction |
| Instantaneous Speed | speed at a specific instant in time |
| Average Speed | total distance traveled divided by total time taken |
| Run | the change in the value of the horizontal coordinate between two points on a graph |
| Constant Speed | rate of change of position in which the same distance is traveled each second |
| Rise | the change in the value of the vertical coordinate between two points on a graph |
| Reference Point | a starting point used to describe theposition of an object |
| Speed | rate of change of position with time |
| Slope | a number describing how steep a plotted line on a graph is; equal to the rise divided by the run |
| Acceleration | rate of change of velocity with time |
| Velocity | a vector that represents an object's speed and direction |