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- Fri Jul 02, 2010 11:10 pm
- Forum: The Science Labs: Participate in Citizen Science or Smartphone Science
- Topic: GRED Answer: Fast train cars connected by string
- Replies: 40
- Views: 8166
Re: GRED Answer: Fast train cars connected by string
This is probably not the answer you're looking for, but for any reasonable-diameter track not on the surface of a neutron star, the centripetal acceleration will exceed the acceleration of gravity long before relativistic speeds. So the strings will never droop; they'll bow radially outward. In fact...