Re: ballistic subterranean trains

From: Spike Jones (spike66@attglobal.net)
Date: Tue Sep 25 2001 - 20:04:16 MDT


Damien Broderick wrote:

> the only net site I've found on the topic
> gives an analysis arguing for 42 minutes and change.
>
> http://www.math.purdue.edu/~eremenko/train.html
>
> I'm wondering about the sensations of flying one of these babies.
> Reduced
> weight for the first half, a moment of free fall, then heavier? How much
> of either?

Reduced weight sensation both ways, no moment of freefall.
42 minutes is right. spike



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