Re: Balls of Napoleon

From: Dirk Bruere at Neopax (dirk_at_neopax.com)
Date: 09/28/04 

Date: Tue, 28 Sep 2004 19:51:22 +0100

Mohammed Farooq wrote:

> Maleki <maleki_m_@hotmail.com> wrote in message
>
>> [Uncle Al wrote:]
>>
>>>>>The Paris kilogram is solid platiridium alloy. It is about the size
>>>>>of a 35 mm film cannister.
>>>>>
>>>>
>> [Maleki]
>>
>>>>39cm, I read it, in height and diameter. Halliday Resnick.
>>>>
>>>
>>>[hanson]
>>>Where? on what page and in which edition does it say "39cm"?
>>
>>"Fundamentals of Physics", by Halliday, Resnick, and Walker,
>>Fifth Edition, page 7, caption to the picture of the
>>standard mass says, "Figure 1-6 The international 1 kg
>>standard of mass, a cylinder 39 cm in height and in
>>diameter."
>
>
> Please check other standard texts too before making such claims.
> Though Halliday and Resnick write "cylinder 39 cm in height and in
> diameter.", it is 39 mm high, as someone else has pointed out.
> Follow this link
> http://anthrax.physics.indiana.edu/~dzierba/Honors/Week1/Welcome.html
> and read the "Honors Physics Problem".
>
> "Look at the figure caption for Fig. 1-6 in your text. It shows the 1
> kg standard of mass and describes it as a "cylinder 39 cm in height
> and in diameter."
>
> This has got to be crazy - right ? If it were a cylinder of these
> dimensions and had the density of water - how much would it weigh ? Do
> you think the author mixed up cm and mm ? "

Since it's so close to 39.37 it must be inches and hence is really the standard
metre... 

-- 
Dirk
The Consensus:-
The political party for the new millenium
http://www.theconsensus.org

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