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science chap 2 voc
8-31
| Question | Answer |
|---|---|
| motion | change in object's position relative to a reference point |
| displacement | is the distance and direction of the objects change is position |
| speed | is the distance an object travels per unit of time |
| velocity | includes the speed of an object and the direction of its motion |
| momentum | product of an objects mass and velocity |
| acceleration | is the rate of change of velocity |
| Centripetal acceleration | acceleration towards the attention of a circular path |
| distance | how far an object has moved |
| Instantaneous speed | speed at a given point in time |
| average speed | total distance traveled divided by the total time of travel |