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Re: Again :-] : Re: Again: origin of bird flight

To: twilliams_alpha@hotmail.com, dinosaur@usc.edu
Subject: Re: Again :-] : Re: Again: origin of bird flight
From: "James R. Cunningham" <jrccea@bellsouth.net>
Date: Thu, 12 Apr 2001 14:01:00 -0700
References: <F115VSSFcl3impgeByb00003ba9@hotmail.com>
Reply-to: jrccea@bellsouth.net
Sender: owner-dinosaur@usc.edu


Tim Williams wrote:

> For all other predators, the time it takes to fall is not too different
> between whether the height is 1m or 2m above ground.  I could do the math,
> but it might be better simply to climb a tree with a stopwatch and see for
> yourself.

Assuming no lift:For 1 meter, 0.451 secondsFor 2 meters, 0.639 seconds
A difference of 0.187 seconds or a 29.3% difference 100*(1-0.5(2)^.5)

Cheers,

Jim

References:
- Re: Again :-] : Re: Again: origin of bird flight
  - From: "Tim Williams" <twilliams_alpha@hotmail.com>

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