Satellites, Gravity and Circular Motion-P5

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  • Created by: Shannon
  • Created on: 05-04-13 13:31
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  • Satellites, gravity and circular motion
    • A comet moves faster nearer the sun- heat gives it more energy
    • Satellites
      • Natural-comets and moons
      • Artificial- man made- polar and geostationary
    • Polar orbit
      • Earth can be mapped
        • Deforestation
        • Military espionage
        • Extreme weather
    • Geostationary orbit
      • Fixed position above the Earth
      • Full orbit- 24+ hours
      • GPS and phones
      • Goes around the eqautor
    • Inverse Square (gravitational field strength)
      • 1=1/1 squared=1
      • 2=1/2 squared= 1/4

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