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jatvex2
jason terminal velocity exp2
| Term | Definition |
|---|---|
| reference point | a fixed point or object against which motion is measured |
| distance | how far apart two objects are |
| displacement | both the direction and the numerical difference between the final position and the initial position of an object, as well as the direction that the object traveled |
| scalar quantity | quantity that has magnitude only |
| vector quantity | quantity that describes both magnitude and direction of an object |
| vector arrows | an arrow used to represent the magnitude and direction of a force |
| rate | amount of change in a measurement over a specific amount of time |
| speed | how fast an object is moving measured by dividing the distance travelled by the time (s = d/t) |
| instantaneous speed | the speed of an object at any moment in time |
| constant speed | occurs when there is no change in an object's speed |
| average speed | the total distance traveled by the elapsed time (average speed = total distance/total time) |
| velocity | a vector quantity which represents both the speed and direction an object is moving |
| acceleration | the rate at which an object’s velocity changes (a = Δv/Δt) |
| deceleration | negative value of acceleration or slowing down |
| linear motion | motion in one dimension in which velocity, acceleration, and displacement all occur along the same line |
| non-linear motion | motion in which velocity, acceleration, and displacement do not all occur in a straight line rather circular or projectile motion |
| projectile motion | The path of an object that is thrown or launched horizontally and is then affected only by gravity |
| projectile | any object thrown on the surface of Earth |
| circular motion | circular motion |
| trajectory | a projectile's characteristic, arc-shaped path |
| momentum | the relationship between an object's mass and its velocity (p = m × v) |
| inertia | an object's resistance to changes in its state of motion |
| Law of Conservation of Momentum | states that momentum is neither lost nor gained, it is transferred between objects-one of Newton’s laws of forces and motion |
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