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Imagine a circle lying on xy plane and initially at rest w.r.t. frame S.
Then S' comes and gets the circle and moves it with velocity v along x axis.
The radius which is along x axis,should be contracted but not other radii and this means that the circle becomes an ellipse and because its sth that needs only a comparison between two not aligned radii,S' will notice the deformation and so S' realizes that he is moving but this can't be true.
What's wrong?
thanks
Then S' comes and gets the circle and moves it with velocity v along x axis.
The radius which is along x axis,should be contracted but not other radii and this means that the circle becomes an ellipse and because its sth that needs only a comparison between two not aligned radii,S' will notice the deformation and so S' realizes that he is moving but this can't be true.
What's wrong?
thanks