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# Wehlan Physics 1

### Wehlan - Physics Vocabulary Terms #1

Any change in position is called? Motion
How far you travel along a path is called? Distance
Anything used to help determine your position, location, or motion is called a(n)? Reference Point
How far you are from where you started and your direction is called? Displacement
How far you travel in a set amount of time is called? Speed
Both speed AND direction together are called? Velocity
How rapidly you change your speed AND/OR your direction is called? Acceleration
TOTAL distance divided by TOTAL time is called? Average Speed
Term for speed or velocity that does not change is called? Constant
Term for type of speed a one moment in time is called? Instantaneous
Velocity is both the speed and _____ of an object. Direction
The greek letter delta (a triangle) means what? Overall change
A line directly over the letter S in the speed formula means? Average
The metric (SI) unit for length or distance is the ? Meter
The formula for speed is? S = d / t
Unit of time used in many of our online experiments? Seconds
Created by: swehlan

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