Timeline for Path of light rays in uniform velocity elevator
Current License: CC BY-SA 3.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 17, 2016 at 16:32 | comment | added | jac effron | Thanks. First time I didn't quiet catch your answer. Now I got it. again thanks for your quick reply. | |
| Nov 17, 2016 at 15:18 | comment | added | Michael Seifert | I'm not sure what you mean. I did assume the light rays were moving at zero vertical velocity according to an external frame: $dz_L/dt = 0$. I also assumed that the elevator was moving at a non-zero (but constant) velocity with respect to the external frame ($dz_E /dt = v = \text{const.}$) The point is that the vertical velocity of the light ray with respect to the elevator floor will change if and only if there is a change in the velocity of the elevator as measured in the external frame. | |
| Nov 17, 2016 at 15:10 | comment | added | jac effron | You didn't notice that I mentioned light rays were entering from outside a source whose vertical velocity is zero with respect to an outside frame of reference. Where's the vertical velocity of elevator isn't zero with respect to the same frame. | |
| Nov 17, 2016 at 14:55 | history | answered | Michael Seifert | CC BY-SA 3.0 |