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Results tagged with vectors
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user 282947
Geometric object with magnitude (length) and direction.
0
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How can we be sure, that the dot-product of the four-vectors $U$ and $A$ in special relativi...
I'am currently taking class in relativity and in the book that i have it is said that the four-vectors of velocity and acceleration is zero. I know that the invariance of the velocity is $-c^2$. …
- 61
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How can we be sure, that the dot-product of the four-vectors $U$ and $A$ in special relativi...
Thank very much. Both explanations are good. I would just like to say, that Yardan Sheffer's explanation just needed charlie's link to give the full explanation. So the answer in why they are orthogon …
- 61