Martin Vlietstra, sirs:
the symbol "km/h" is pretty univesral even though the word
"hour" is written
The term HOUR is understood to mean 1/24th of SI-atomic Day (or 24x60x60
seconds). To make any speed known in clear term - km/h or km/s BIPM/CGPM are
now confronted with resolving if Metre really belong to the SI-metric system
(Le Systeme Internationale d'Unites), due to continued confusion between
*metric & decimal - undefined boundries* among scientists and/or engineers.
I have attempted to clear this mystry since publishing my base write up: The
Metric Second (1973) thro Bureau of Indian Standards, New Delhi. This makes
to direct the need to re-defing Length Unit, via a combination of Earth
dimensions & velocity of light.
which higlights, this view in: My contribution Shelving Nautical Mile in
Favor of Nautical Kilometre; Proceedings of 3rd International Conference
MMGT 2001; pp 164 thro 169; National Physical Laboratory, New Delhi; 8 10
February 2001, refers.
Since1/100TH of Pi/180 or ONE degree is to be the Nautical Kilometre;
length distance METRE New (m) can be seen as 1/100000th of the degree (or
1/10^5th of arc-angle ONE degree). Metre New (m') is, thus, the distance
traversed by light, in vacuum, during the time interval, 1/97059575.22TH of
the decimal second.
This ensures the circumference of Earth to be 36000 Km; considering Earth
to be a hypothetical sphere of radius 6371 km. Thus, 24-hrs x 60m (1440
minutes) =24-hr x 100 md (2400 md) HOUR being same.
Speed, acceleration & other connected units can then be linked to Metre New
(m') and decimal second (sd). Please visit:
http://www.brijvij.com/clockface-n-earth.doc
Regards,
Brij Bhushan Vij
(Saturday, Kali 5106-W50-06)/D-093(Sunday, 2006 April 02H18:44(decimal) ET
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From: "Martin Vlietstra" <[EMAIL PROTECTED]>
Reply-To: [EMAIL PROTECTED]
To: "U.S. Metric Association" <[email protected]>
Subject: [USMA:36426] Re: Units used in popular science books: buy
Canadian
Date: Sat, 1 Apr 2006 12:14:22 +0100
Before the BIPM/CGPM make any recommendations, they will have to be
satisfied that:
1. The recommended changes are used in a number of different cultures
2. A symbols is in use that can be understood by all cultures.
For example, the symbol "km/h" is pretty univesral even though the word
"hour" is written "uur" in Dutch, "stunden" in German an "ora" in Italian.
Likewise, the UK word "kilometre" is written "kilometer" in the US,
"chilometro" in Italian and "Quilimetro" in Portuguese. (I am not too
sure
about the Italian and Portuguese spellings). The BIPM/CGPM does not
concern
itself with the way in which the unit is written or spoken, only about the
international symbol used. If a particular culture wish to use the word
"klick" for the unit of measure that has the compound symbol "km/h", that
is
outside the scope of the BIPM/CGPM's mandate. If however there is a wish
to
replace teh symbol "km/h" with some other symbol, then the BIPM/CGPM would
be interested.
----- Original Message -----
From: "Jim Elwell" <[EMAIL PROTECTED]>
To: "U.S. Metric Association" <[email protected]>
Sent: Friday, March 31, 2006 11:03 PM
Subject: [USMA:36415] Re: Units used in popular science books: buy Canadian
>
> The metric system does not need defense, it merely needs its
> promoters to recognize that there are areas where it could be
> improved and made more usable. My examples of short/long names for
> measures were not intended to say that US customary measures are
> better in general -- they clearly are not.
>
> My point was that metric measures WILL be shortened for convenience
> (and other list members posted more examples). And if the BIPM/CGPM
> does not accommodate and formally accept this, they will simply be
> ignored where expedient.
>
> Another way of saying this is that Table 3 of BIPM's SI document
> (Derived Units with Special Names) should be expanded with reasonable
> expediency, to help control the proliferation of such names. The
> proliferation cannot be stopped by ignoring it; by embracing it there
> will be at least an international body trying to manage it.
>
> >Let me count syllables in some length measures.
> >
> >I count, at the very least, 19 syllables in:
> >quarter of an inch, half an inch, (a lot of other fractions go here),
inch,
> >link, foot, yard, rod, pole, perch, chain, furlong, mile.
>
> You are presuming no one will say "half a kilometer" or "a quarter of
> a meter." And that is the same mistake as thinking people will not
> say "klik" rather than "kilometer."
>
> Halves, quarters, eights are very convenient in every day use, and
> the SI standard discouraging their use is fruitless. 99.999% of the
> population of the world will never read the SI standards, and will
> merrily go on using "quarter meter" and "half liter".
>
> And, "one eight meter" has 4 syllables, while "two hundred fifty
> millimeters" has 9 syllables.
>
> Jim
>
>
> Jim Elwell
> [EMAIL PROTECTED]
> 801-466-8770
> www.qsicorp.com
>
