World Science Scholars
26.9 Scales in Stationary and Moving Coordinate Systems
demonstration
demonstration

The coordinate values along a given axis depend on the scale of its respective coordinate system–that is, on the spacing of the grid lines. In this demonstration, you will explore the scales of stationary and moving coordinate systems. Use the slider to choose the velocity of the moving frame. Observe the relationship between the stationary and moving coordinate grid lines. In particular, note that compared to the square grid of the stationary frame, the grid lines of the moving frame become closer together as the velocity increases. Correspondingly, notice that intersections of grid lines in the moving coordinate system grow farther apart at ever increasing velocities. Convince yourself that this is the graphical depiction of time dilation and Lorentz contraction.

 



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