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A year ago
Light travels 300,000 km/s. Many communications satellites are in geosynchronous orbit at about 36,000 km above the earth's surface.
 
  If you talk to your friend on the other side of the world via a geosynchronous satellite using Skype or your phone, what is the minimum time delay there will be between you and your friend in your conversation?
  A) .48 seconds B) 8.3 seconds C) .12 seconds D) .24 seconds
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