Timeline for Why is speed defined as coordinate derivative over proper time rather than observer's time in STR?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Feb 12, 2018 at 23:23 | comment | added | mdcq | Can you show, why it wouldn't be a four vector? And why is it only useful as a four vector? | |
| Jul 1, 2016 at 15:54 | history | edited | Paul T. | CC BY-SA 3.0 |
added 19 characters in body
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| Jul 1, 2016 at 15:44 | history | answered | Paul T. | CC BY-SA 3.0 |