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Results tagged with spacetime
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user 282334
Within relativity (both special and general), changes of reference frames can change both the notions of space and of time, with one depending on the other as well. As a consequence, it is necessary to treat both concepts in a unified manner. Hence the term spacetime.
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Resulting Dot and Cross Products in Relativistic Speeds
Imagine the following problem:
Person 1 travels with velocity $v$, and person 2 has a velocity of $u$ according to the rest frame. They both travel in straight line, with an angle $\theta$ between th …
