Timeline for Why does kinetic energy increase quadratically, not linearly, with speed?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Jul 13, 2019 at 7:38 | comment | added | Abhimanyu Pallavi Sudhir | Saying "it's defined that way" is atrocious -- even if you adopt it as your definition, it just opens the question of "why is this definition useful?", and the fundamental reason has to do with symmetry principles and/or Noether. | |
| Sep 27, 2017 at 18:32 | comment | added | Arturo don Juan | No, KE is not defined as $\frac{1}{2}mv^2$. It's a consequence of Newton's 2nd law, which is a consequence of the fact that $x$ and $\dot{x}$ are enough to specify the state of a system uniquely. | |
| Oct 19, 2015 at 6:00 | comment | added | Milind R | Only this really answered the question. | |
| Apr 22, 2014 at 20:27 | history | edited | user44558 | CC BY-SA 3.0 |
added 1642 characters in body
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| Apr 22, 2014 at 13:01 | history | answered | user44558 | CC BY-SA 3.0 |