Re: weight of a bird in a cage

[Mark Sylvester <msylvest@SPIN.IT>]

At 21:01 07-09-99 -0500, Ludwik Kowalski wrote:
> Mark Sylvester wrote:
> > Brian points out that Ludwik screwed up his question (and I didn't read it
> > carefully enough), but I really would like to know what Jim meant. Maybe
> > I'll just catch some flies and weigh them.
...deletions...

> Here is Jim's original message and my question. Where did I screwed up?
>
> > Are you saying that the net weight of the "box with the
> > fly inside" remained nearly constant (+ or - the weight
> > of 0.1 mg) no matter what the fly was doing?

My understanding is that Brian was assuming the 0.1 mg to be the mass of the
fly, so to say that the mass remained constant + or - the mass of the fly is
not very helpful. But maybe you had made a different assumption about the
0.1 mg.

Mark


Mark Sylvester
United World College of the Adriatic
34013 Duino TS
Italy
msylvest@spin.it