A Lesson In Sagnac and Rotating frames, For Paul, Tom and Jerry.
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From: Paul B. Andersen on 23 Feb 2010 06:28 On 17.02.2010 23:06, Henry Wilson DSc wrote: > On Wed, 17 Feb 2010 13:10:56 +0100, "Paul B. Andersen" > <paul.b.andersen(a)somewhere.no> wrote: > >> On 15.02.2010 23:24, Henry Wilson DSc wrote: >>> On Mon, 15 Feb 2010 14:13:02 +0100, "Paul B. Andersen" >>> <paul.b.andersen(a)somewhere.no> wrote: >>> >>>> On 12.02.2010 00:33, Henry Wilson DSc wrote: >>>>> Paul and Jerry are standing together on the equator of an Earthlike planet, >>>>> next to an optical fibre that encircles the planet, WHICH IS NOT ROTATING. Its >>>>> circumference is 40 million metres. >>>>> >>>>> //===================C======================// optical fibre around equator >>>>> _____________v<-_____p___q_______________________surface (actually curved) >>>>> >>> >>> I recognized my mistake and immediately corrected it. >>> >>> The pulses that leave together arrive together. >>> >>> If you want to comment, use my later version in which the pulse arrival rates >>> are different from both directions. The theory should be obvious to anyone with >>> a higher IQ than inertial. >> >> "The pulses that leave together arrive together", but the pulses are >> arriving at a different rate than those they arriving together with. >> >> It sure takes a high IQ to understand that! :-) > > Maybe you are having trouble with frames. > > >> >> BTW, in my previous posting I wrote: >> | Yet again you have made a giant fool of yourself. >> | I wonder how long it will take this time before you >> | realize that you have made a giant, unbelievable stupid blunder. >> | >> | I bet it will take a very long time, and if it eventually should >> | dawn to you, you will never admit it. What will you do then? >> | Start a new thread with a modified 'experiment'? :-) >> >> Now we know what you did! :-) >> You admitted your blunder, but couldn't admit that your >> conclusion based on that blunder was wrong, so you had to >> make an even bigger blunder to defend your wrong conclusion. >> >> Good to see that you still are able to invent new stupidities >> and not only are recycling old ones. >> This was definitely one of your better. >> >> Keep it up, the sky is the limit! > > ==//=================p---------q|====================//====optical tube > ________________________earth____<-v__________________(actually curved) > > A pulse of light is emitted every 3.333 nanosecs by a source. The pulses, which > are separated by 1 metre, are sent down an optical fibre that is wrapped around > the earth.. There are 4000000 pulses around the equator. > > A pulse emitted at point q will travel leftward around the Earth through the > fibre before reaching a detector at point p. During its travel time the Earth > revolves by 62 metres. > > We will consider what happens when pulse N is emitted at point q. It will pass > through point p then travel around the Earth before being finally absorbed > again at point p. > When it is emitted, there are 62 pulses between q and p. When pulse N reaches p > the first time, there are say 61 pulses between p and q and 62 pulses have > already passed through point p. There are 4000000-61 pulses around the earth > at that instant between p and q. So another 61 + 4000000 - 41 pulses will reach > p by the time N gets there. That makes 4000062 altogether. > In the other direction, only 3999938 arrive in the same time. Thus Spoke Doctor Ralph Rabbidge. :-) As I said, the sky is the limit! Close, but not quite there. Go for it! -- Paul http://home.c2i.net/pb_andersen/
From: Henry Wilson DSc on 23 Feb 2010 16:30
On Tue, 23 Feb 2010 12:28:28 +0100, "Paul B. Andersen" <paul.b.andersen(a)somewhere.no> wrote: >On 17.02.2010 23:06, Henry Wilson DSc wrote: >> On Wed, 17 Feb 2010 13:10:56 +0100, "Paul B. Andersen" >> <paul.b.andersen(a)somewhere.no> wrote: >> >>> On 15.02.2010 23:24, Henry Wilson DSc wrote: >>>> On Mon, 15 Feb 2010 14:13:02 +0100, "Paul B. Andersen" >>>> <paul.b.andersen(a)somewhere.no> wrote: >>>> >>>>> On 12.02.2010 00:33, Henry Wilson DSc wrote: >>>>>> Paul and Jerry are standing together on the equator of an Earthlike planet, >>>>>> next to an optical fibre that encircles the planet, WHICH IS NOT ROTATING. Its >>>>>> circumference is 40 million metres. >>>>>> >>>>>> //===================C======================// optical fibre around equator >>>>>> _____________v<-_____p___q_______________________surface (actually curved) >>>>>> >>>> >>>> I recognized my mistake and immediately corrected it. >>>> >>>> The pulses that leave together arrive together. >>>> >>>> If you want to comment, use my later version in which the pulse arrival rates >>>> are different from both directions. The theory should be obvious to anyone with >>>> a higher IQ than inertial. >>> >>> "The pulses that leave together arrive together", but the pulses are >>> arriving at a different rate than those they arriving together with. >>> >>> It sure takes a high IQ to understand that! :-) >> >> Maybe you are having trouble with frames. >> >> >>> >>> BTW, in my previous posting I wrote: >>> | Yet again you have made a giant fool of yourself. >>> | I wonder how long it will take this time before you >>> | realize that you have made a giant, unbelievable stupid blunder. >>> | >>> | I bet it will take a very long time, and if it eventually should >>> | dawn to you, you will never admit it. What will you do then? >>> | Start a new thread with a modified 'experiment'? :-) >>> >>> Now we know what you did! :-) >>> You admitted your blunder, but couldn't admit that your >>> conclusion based on that blunder was wrong, so you had to >>> make an even bigger blunder to defend your wrong conclusion. >>> >>> Good to see that you still are able to invent new stupidities >>> and not only are recycling old ones. >>> This was definitely one of your better. >>> >>> Keep it up, the sky is the limit! >> >> ==//=================p---------q|====================//====optical tube >> ________________________earth____<-v__________________(actually curved) >> >> A pulse of light is emitted every 3.333 nanosecs by a source. The pulses, which >> are separated by 1 metre, are sent down an optical fibre that is wrapped around >> the earth.. There are 4000000 pulses around the equator. >> >> A pulse emitted at point q will travel leftward around the Earth through the >> fibre before reaching a detector at point p. During its travel time the Earth >> revolves by 62 metres. >> >> We will consider what happens when pulse N is emitted at point q. It will pass >> through point p then travel around the Earth before being finally absorbed >> again at point p. >> When it is emitted, there are 62 pulses between q and p. When pulse N reaches p >> the first time, there are say 61 pulses between p and q and 62 pulses have >> already passed through point p. There are 4000000-61 pulses around the earth >> at that instant between p and q. So another 61 + 4000000 - 61 pulses will reach >> p by the time N gets there. That makes 4000062 altogether. >> In the other direction, only 3999938 arrive in the same time. (apologies, the '41' was an obvious typo) >Thus Spoke Doctor Henry Wilson. :-) > >As I said, the sky is the limit! >Close, but not quite there. >Go for it! I'm glad you liked it. Did you learn anything? Henry Wilson... ........provider of free physics lessons |