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B Can we reach the speed of light using this model

  1. Mar 17, 2016 #1
    Dear friends:
    Put a big disk in the space which can rotate at a speed. for example, if the radius of the disk is 10000km, and it rotates at a speed of 30 rad/s, then the speed at the disk boundary is 30,0000km/s.
    am i right?
  2. jcsd
  3. Mar 17, 2016 #2


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  4. Mar 17, 2016 #3


    Staff: Mentor

  5. Mar 17, 2016 #4


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    This is one reason why Euclidean geometry doesn't apply in relativity.
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