(TFT) Energy decrease in explosions

[Rick Smith <rsmith@lightspeed.ca>]

On Sun, 2008-27-04 at 22:38 -0500, Mark Tapley wrote:
> <oversimplification alert>
> 
> 	Explosions that create shock waves can do damage according to 
> the "overpressure" which is reasonable to measure in psi (and 
> decreases like 1/r^2 from the center of the blast, I think).

An explosion expands in a sphere so I would expect
it to decrease ~1/r^3.

Rick
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