Motion test
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11 terms
Terms | Definitions |
|---|---|
 motion | state in which one objects distance from another object is changing |
| reference point | place or object used for comparison to determine if something is in motion |
| distance | the length of a path between two points |
| displacement | the length and direction that an object has moved from tis starting point |
| vector | a quantit that consists of both a magnitude and a direction |
| speed | distance an object travels per unit of time |
| average speed | the overall rate of sped at which an object moves; calculated by dividing the total distance an object travels by the total time |
| instantaneous speed | the rate at which an object is moving at a given instant in time |
| velocity | speed in a given direction |
| slope | steepness of a line on a graph |
| acceleration | the rate at which velocity changes with time |
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