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290Constant Velocit
290 Constant Velocity
| Question | Answer |
|---|---|
| acceleration | the change in velocity divided by time (a = Δv / Δt) |
| Average speed | Average speed is a measure of the distance traveled in a given period of time; |
| Constant | Does not change |
| Displacement | The change in position of an object |
| Force | An action exerted on a body in order to change the body’s state of rest or motion; has magnitude and direction; A Push or Pull |
| Frame of Reference | A system for specifying the precise location of objects in space and time. An arbitrary set of axes with reference to which the position or motion of something is described or physical laws are formulated |
| Instantaneous speed | the speed at a particular instant of time http://www.physicsclassroom.com/mmedia/kinema/trip.cfm |
| Magnitude | Size of the measurement or quantity; how big |
| Motion | An object’s change in position relative to a reference point |
| scalar | physical quantity that has magnitude but no direction |
| speed | scalar measurement of the rate of motion (s = Δd/Δt) |
| Speed | The distance traveled divided by the time interval during which the motion occurred. |
| vector | quantity that has both a magnitude and a direction; an arrow giving magnitude (by its size) and direction |
| Velocity | The speed of an object in a particular direction |
| velocity | vector quantity whose magnitude is an object's speed and whose direction is the object's direction of motion |
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290physics
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