Physics Vocab. Chaper 1 and two

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Anonymous
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123454
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Physics Vocab. Chaper 1 and two
Updated:
2011-12-13 16:59:26
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Physics
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Mrs K's son can't get a date
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  1. A general hypothesis or statement about the relationship of natural quantities that has been tested over and over again and has not been contradicted. Also known as principle.
    Law
  2. A synthesis of a large body of information that encompasses well tested and verified hypothesis about aspects of the natural world.
    Theory
  3. Motion under the influences of the gravitational force only.
    Free Fall
  4. A close agreement by competent observers of a series of observations of the same phenomena.
    Fact
  5. An educated guess; a reasonable explanation of an observation or experimental results that is not fully accepted as factual until tested over and over again by experiment.
    Hypothesis
  6. Speed at any instant of time
    Instantaneous Speed
  7. A general hypothesis or statement about the relationship of natural quantities that has been tested over and over again and has not been contradicted. Also known as law.
    Principle
  8. An orderly method for gaining, organizing, and applying new knowledge.
    Scientific Method
  9. The time that has passed since the beginning of an event.
  10. Elapsed time
  11. Speed together with the direction of motion.
    Velocity
  12. The rate at which velocity s changing. The change may be in magnitude, direction, or both.
    Acceleration
  13. Path distance divided by time interval
    Average Speed
  14. How fast something is moving; the path distance moved per time. The magnitude of the velocity vector.
    Speed
  15. In physics, how fast something happens, or how much something changes per unit of time; a change in quantity divided by the time it takes for the change to occur.
    Rate
  16. Regarded in relation to something else. Depends on the point of view, or frame of reference. Sometimes referred to as "with respect to"
    relative

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