Re: Bat crash

From: donald_at_...
Date: Sun, 21 Mar 2004 21:31:02 GMT


In message <004901c40f64$bc35b880$bb78fea9_at_computer> "Oliver Bernuetz" writes:
>Benedict said:
>
>> If the bat is ~1000m long it has a mass of ~10^9 kg. If it falls from a
>> height of ~100m, its crash has an energy ~10^12 J. That is, ~1000 tonnes
>> of TNT. Most of the energy wound be directed downwards: enough for a
>> substantial local earthquake? If so, I don't think we want the crash
>> close to the defences.
>>
>Let's not get too caught up in the physics of the Bat or we'll expose the
>thing for the impossibility it is:-) I mean after all something that big
>that can fly? Yet only moves as fast as a horse? Basically we're talking
>MGF here. Sure the crash will shake the foundations but it doesn't have to
>cause earthquake damage unless the story demands it.

In any case there is no reason for the assumption of mass, we know it is chaotic and also exists partially in the god plane either of which mean its mass in the material world can be whatever we want.

-- 
Donald Oddy
http://www.grove.demon.co.uk/

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