Physical Science Schpt 2

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reganlsu1@yahoo.com
ID:
19389
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Physical Science Schpt 2
Updated:
2010-05-15 21:56:17
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physical science chpt
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science cpht 2
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  1. occurs when and object changes position
    motion
  2. to know wether or not the position of something has changed, you need a _____
    refernce point
  3. how far an object has moved
    distance
  4. the distance and direction of and objects change in position from the starting point
    displacement
  5. the speed at a given point in time
    instantaneous speed
  6. instantanteous speed is measured on a _____
    speedometer
  7. includes the speed of an object anf the direction of its motion
    velocity
  8. formula for velocity/speed=
    s=d/t
  9. the rate of change of velocity
    acceleration
  10. formula for acceleration=
    a=v(f)-v(i)/t
  11. the tendency of an object to resist anu change
    inertia
  12. an obejct moving at a constant velocity keeps moving at that velocity unless a net force acts on it
    newtons first law(law of inertia)

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