Article View: uk.education.maths
Article #75Re: Pi day
From: Mike McCarty
Date: Wed, 02 Apr 1997 00:00
Date: Wed, 02 Apr 1997 00:00
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1962 bytes
In article <E7s8Dy.IsK@cwi.nl>, Dik T. Winter <dik@cwi.nl> wrote:
)In article <333C2695.5661@caiw.nl> "R.W.Dirksen" <R.W.Dirksen@caiw.nl> writes:
) > > > Speed of light: 3x10E8 m/s
)...
) > > Are you sure? I think the error in the speed of light and in the number
) > > of days in a year is much too large to warrant this assertion.
)...
) > The speed of light is known very exact because it is a constant value.
) > They actually made it a definition:
) >
) > 1 meter = the distance that light travels in 1/299792458 seconds
) > Therefore, the light speed c is defined as 299,792.458 km/s.
)
)I know. So the assumed speed of light had an error exceeding that for
)pi. And what is that to the discussion?
This speed of light is neither assumed, nor has an error. It is -exact-.
Mike
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f458d,30fff994c7ddd7d9 X-Google-Attributes: gidf458d,public X-Google-Thread: 109d8a,30fff994c7ddd7d9 X-Google-Attributes: gid109d8a,public X-Google-Thread: f7972,30fff994c7ddd7d9 X-Google-Attributes: gidf7972,public X-Google-Thread: 1130d6,30fff994c7ddd7d9 X-Google-Attributes: gid1130d6,public X-Google-Thread: 1077c2,30fff994c7ddd7d9 X-Google-Attributes: gid1077c2,public X-Google-Thread: 10d67e,30fff994c7ddd7d9 X-Google-Attributes: gid10d67e,public From: jmccarty@sun1307.spd.dsccc.com (Mike McCarty) Subject: Re: Pi day Date: 1997/04/02 Message-ID: <5hulgf$o3a@sun001.spd.dsccc.com> X-Deja-AN: 230232792 References: <5heh6s$ooa@raven.cc.ukans.edu> <E7qArI.1KD@cwi.nl> <333C2695.5661@caiw.nl> <E7s8Dy.IsK@cwi.nl> Organization: DSC Communications Corporation Newsgroups: uk.education.maths,alt.uu.math.misc,aus.mathematics,can.schoolnet.math.sr,alt.math.recreational,sci.math