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- Sat Jul 03, 2010 3:02 am
- Forum: The Science Labs: Participate in Citizen Science or Smartphone Science
- Topic: GRED Answer: Fast train cars connected by string
- Replies: 40
- Views: 8171
Re: GRED Answer: Fast train cars connected by string
From external observation point of view the track remains the same but the cars and string decrease in apparent length as they approach relativistic speed. Centrifugal force will cause the strings to break.