File:Galilean Spacetime and composition of velocities.svg

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Summary

In Newton's theory, time is universal, not the velocity of light. The Galilean transformations are t' = t and x' =x - vt. Galilean addition of velocities is illustrated by the following thought experiment: The red arrow illustrates a high speed train traveling at 0.4 c. Within the train, a passenger runs towards the front of the train at a speed of 0.4 c. The sum of their velocities is represented by the blue arrow, 0.8 c. This is in accordance with our naive expectations.

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https://commons.wikimedia.org/wiki/User:Stigmatella_aurantiaca

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current18:28, 25 April 2021Thumbnail for version as of 18:28, 25 April 2021468 × 447 (24 KB)Thales (talk | contribs)In Newton's theory, time is universal, not the velocity of light. The Galilean transformations are t' = t and x' =x - vt. Galilean addition of velocities is illustrated by the following thought experiment: The red arrow illustrates a high speed train t...
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