Timeline for Molecular explanation of floating and sinking
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Nov 22, 2020 at 7:38 | comment | added | gandalf61 | @Buraian True, but we know that the constant density model is a simplification and real liquids are compressible, even if their compressibilities are very small. If mean kinetic energy per molecule (i.e. temperature) is constant, I don't see how else to explain pressure increase at a microscopic level. | |
| Nov 22, 2020 at 5:19 | comment | added | Brian | The last paragraph can't be applied to the constant density of water case which we encounter in most HS textbook since density of water is said to be uniform | |
| Nov 21, 2020 at 18:46 | comment | added | gandalf61 | @S.McGrew Thank you - yes, my wording was imprecise. I have corrected my answer. | |
| Nov 21, 2020 at 18:45 | history | edited | gandalf61 | CC BY-SA 4.0 |
added 53 characters in body
|
| Nov 21, 2020 at 18:15 | comment | added | S. McGrew | That is correct as long as "buoyancy" refers to how deep the rubber duck will sink into the water. It is not correct if buoyancy is the lifting force of the water on the duck. | |
| Nov 21, 2020 at 14:56 | history | answered | gandalf61 | CC BY-SA 4.0 |