Reference point
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Study Guide-Module 9
Apologia Physical Science-Module 9
Reference point | a point against which position |
---|---|
Vector quantity | a physical measurement that contains directional information |
scalar quantity | a physical measurement that does not contain directional information |
acceleration | the time rate of change of an object's velocity |
free fall | the motion of an object when it is falling solely under the influence of gravity |
10 meters | Scalar, distance |
1.2 meters/second`2 east | vector, acceleration |
3.4 feet/hour and slowing | scalar, speed |