Recent content by The28

Quick question I am trying to grapple with. I have been given the assumption the time of collision of the molecule with the wall is negligible compared to the time between collisions. Is this compared to the time between collisions of molecule to molecule or from one wall to the other wall...

So I need to give an exciting thermodynamics demo based on one of the first two laws. I have found it difficult to either make it exciting enough or to make it apply to thermodynamics enough. I have a few that I have come up with but I don't think any really apply as well as I want. 1)Can...

Homework Statement Hi people, I am just having a little play with some physics because basically I went to drink my tea this morning and its always too hot. Then I wait and its always too cold. So therefore I fancy to try and workout how long should I leave it until it is cool. I found a study...