Re: Bow and Arrow Dating

r norman <r_s_norman@xxxxxxxxxxxx> wrote:

On Sat, 11 Aug 2007 10:51:42 +0200, nospam@xxxxxxxxxxxxxxxx (J. J.
Lodder) wrote:

John Wilkins <j.wilkins1@xxxxxxxxx> wrote:

Walter Bushell <proto@xxxxxxxxx> wrote:

In article <1186559120.654992.95240@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
JTEM <jtem01@xxxxxxxxx> wrote:

What is considered "Lethal Velocity" for a Mammoth
anyway?

What it gets from going over a tall cliff, or falling into a deep pit.

Recalling Haldane's point that if a mouse falls two storeys it bounces,
shakes itself and walks away. A cat is injured, a dog is killed and a
horse splashes...

And how about a spherical cow?
Or 'an elephant whose weight may be neglected'?

Seriously though:
A cat may survive falling from a skyscraper
without suffering injuries,
if it manages to achieve a stable flight position.
Falling from 20 stories or more poses a smaller risk to a cat
than falling from the third.


Once you reach terminal velocity, it doesn't matter far you fall.

A cat will 'fly', with all paws and tail
outstretced as much as possible in the horizontal plane.
It will draw them in again just before landing.
I remember reading somewhere that cats can jump from high trees
to escape from lynxes.
Another million years of evolution (with proper selection)
could have given us gliding cats.

However I believe that an ordinary house cat can adjust its position
in far less time than it takes to fall from the third story. My
impression was that the "danger zone" for a falling cat was only a few
feet.

Depends on how it fell.
If it just slipped it has a good chance to recover rapidly.
I know of a cat that just rolled off a window ledge.
It landed feet down, and wasn't harmed at all.

Thrown cats are at more risk.
It takes time for them to re-orient themselves,
and to get rid of the spin they may have been given.
Moreover they are likely to start in a panic.

Best,

Jan

.

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