Or you could also just stick it on a weigh scale ;-). Nice figures though, I'd never heard of those estimates for spheres being closely packed.
--Teran On Thu, Nov 19, 2009 at 11:54, John M. Steele <[email protected]> wrote: > > If the goal is to make a point, you have insufficient info. If the goal is a > servicable estimate, I think it is possible to proceed. > > The intrinsic density (no air space) has to be close to 1 g/cm³ as it is > mostly water. (You can test whether slightly more or less than one by > throwing in a glass of water) > > It is a spheroid, not a true sphere. However, close packed spheres occupy > 74% of the volume, random packed spheres around 64%. The bulk density > (includes air space) of many practical powders and particulates fall in the > range of 60 - 67% of intrinsic density. Taking 64%, a dry pint of tomatoes > is about 350 g. > > Compare on that basis, and any error in which to buy will be too small to > matter. > --- On Thu, 11/19/09, Pierre Abbat <[email protected]> wrote: > > From: Pierre Abbat <[email protected]> > Subject: [USMA:46184] Re: Trader Joe's tomatoes > To: "U.S. Metric Association" <[email protected]> > Date: Thursday, November 19, 2009, 12:18 AM > > > On Saturday 07 November 2009 20:21:30 Michael Payne wrote: > > I think if they are prepacked, and not weighed at point of sale, they have > > to list both customary and metric units. > > True, but I still don't know how to compare 551 ml of tomatoes, including > interstices, with 454 g of tomatoes. > > I went back there and there's still no indication of the weight of the dry > pint of tomatoes. > > Pierre > > -- > lo ponse be lo mruli po'o cu ga'ezga roda lo ka dinko >
