Beer related physics, for a undergraduate project

[millatime19]

hey all, I am not using the template, bc this isn't a standard problem.


I am doing a few beer related physics tricks for my phy 252 research project at Arizona State, and I need help with one in general.



Why does, when you hit two beer bottles together (one on top of the other) the bottom one overflows? Now I know that the CO2 is released when the beer hits the bottom of the bottle, causing a jump in pressure, but i really want to know why. I need an equation here, not PV=nRT or W=p(V2-V1) or any of the regular thermodynamics equations. I need something specific, and I've been racking my brain trying to figure it out but i cant. Secondly another thing that i need more help explaning is why doesn't the top bottle release pressure, shouldn't there be enough vibrations between the gas molecules to have the same effect?

Thanks guys!

 

[millatime19]

http://www.youtube.com/watch?v=L-2QHOt6Shk&feature=relatedin case this prank hasnt been played on you before