Timeline for Silly question about calculation of $4$-velocity vector
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 9, 2020 at 4:30 | comment | added | Prahar | One to answer your own question is to see whether $u^\mu$ satisfies the geodesic equation. | |
| Apr 9, 2020 at 3:34 | comment | added | Qmechanic♦ | Related post by OP: physics.stackexchange.com/q/542491/2451 | |
| Apr 9, 2020 at 3:33 | history | edited | Qmechanic♦ | CC BY-SA 4.0 |
edited tags; edited title
|
| Apr 9, 2020 at 2:15 | comment | added | Cinaed Simson | No. You're not calculating the 4-veclocity vector from the metric tensor - you're using the metric tensor to map the 4-velocity vector to the 4-velocity covector - or map a 4-velocity covector. to a 4-velocity vector. The contraction of 4-velocity vector with a 4-velocity covector gives you number which is magnitude squared of the 4-velocity vector. | |
| Apr 8, 2020 at 22:39 | history | asked | M.N.Raia | CC BY-SA 4.0 |