Can Objects Travel Faster Than the Speed of Light?

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SUMMARY

In the discussion, it is established that while two objects can travel at speeds greater than 0.5c in opposite directions, an observer positioned perpendicular to their trajectory will perceive their separation increasing at a rate exceeding the speed of light (c). However, according to the principles of relativity, neither object can exceed the speed of light in the reference frame of the other. This clarification resolves common misconceptions about relative motion and the speed of light limit.

PREREQUISITES
  • Understanding of Einstein's Theory of Relativity
  • Familiarity with concepts of reference frames
  • Basic knowledge of relativistic speeds (e.g., 0.5c)
  • Comprehension of the speed of light as a universal constant
NEXT STEPS
  • Research Einstein's Theory of Special Relativity
  • Study the concept of reference frames in physics
  • Explore relativistic velocity addition formulas
  • Learn about the implications of light speed limits in astrophysics
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Physicists, students of physics, and anyone interested in the implications of relativity on motion and speed limits in the universe.

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2 objects are traveling in opposite directions from each other with more than 0,5c. Would an observer watching them perpendicular to their trajectory see that they are moving faster than c away from each other, or is there something that will "stop" this?
 
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IN that observer's reference frame, the two objects' separation does increase at a rate greater that c. Relativity does not prevent the rate of separation of two objects in a third reference frame from being greater than c.

What relativity does prevent is each object going faster than c in the other object's reference frame.
 
Thanks, that was exactly what I was uncertain about. You answered my question in the best possible way.
 

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