Re: Stupid Einstein question.

From: Robert B. Winn (rbwinn3_at_juno.com)
Date: 09/03/04 

Date: 3 Sep 2004 16:43:38 -0700

suzysewnshow@yahoo.com.au (suzysewnshow) wrote in message news:<e0a23188.0409020017.1e3ee9c7@posting.google.com>...
> rbwinn3@juno.com (Robert B. Winn) wrote in message news:<a17e5e0e.0409011551.5daead80@posting.google.com>...
> > suzysewnshow@yahoo.com.au (suzysewnshow) wrote in message news:<e0a23188.0408312338.6b0792c5@posting.google.com>...
> > > > Round trip is the same all days. An airplane flying through a medium
> > > > of air, with or without wind, is not the same thing as a photon.
> > > >
> > > Not I nor any other readers of this group want your OPINION of what
> > > photons do if you can't solve a simple vector addition problem. Most
> > > high school physics students and any 15 year old student pilot can
> > > solve this for 2 axes. I set x equal to zero to save ya the trig.
> > > A typo I made should have made your illogic even easier to find. I
> > > expressed the wind speeds as km/s. They should have been km/hr.
> > >
> > > Grade schoolers sometimes need a Thursday flight and since you applied
> > > the wrong solution, I added that and few more descriptive words to
> > > make it easier to read.
> > >
> > > ----With hints, sans typos----
> > > Mail pilot flys a daily round trip 100km N drops mail pouch and
> > > returns 100km S.
> > > Airspeed is always 100km/hr
> > > On Monday there is no wind
> > > On Tuesday wind is from N @ 10km/hr
> > > On Wednesday wind is from S @ 10km/hr
> > > On Thursday wind is from S @ 100km/hr
> > > Which day is longest RT time?
> > > --------------------------------
> > > Mail carrier drives a daily round trip 100km N drops mail pouch and
> > > returns 100km S.
> > > Roadspeed is always 100km/hr
> > > On Monday there is no wind.
> > > On Tuesday wind is from N @ 10km/hr
> > > On Wednesday wind is from S @ 10km/hr
> > > On Thursday wind is from S @ 100km/hr
> > > Which day is longest RT time?
> > > ---------------------------------
> > > Extra credit
> > > Which one is solved by simple algebra?
> > > Which one is solved by simple logic?
> > > Which one is an example of the effect of an ether?
> > > ------------------------------------
> > > If ya got the extra credits right then you'll see how the first
> > > postulate dictates whether "simple algebra" is used. Personal tastes
> > > has nothing to do with it.
> > > ------------------------------------
> > > If you come back with the same answer, I gotta be honest with you: You
> > > are wasting your time and everybody's else time trying to use your
> > > math skills to study relativity. You seem really good with the rules
> > > and notation so I would guess you're one who dreaded the dreaded "word
> > > problem". I think that is called "applied math".
> > >
> > > Take two of these and call Uncle Al in the morning.
> > > Rx http://www.glenbrook.k12.il.us/gbssci/phys/Class/vectors/u3l1b.html
> > >
> > > Kind regards,
> > > Sue...
> >
> > I solved it. If you want two axis, then the wind has to be from the
> > east or the west. All Thursday did was make a round trip impossible.
> > The airplane will have to stay N until the wind dies down.
> > Robert B. winn
>
> Take two of these and call Uncle Al in the morning.
> Rx http://www.glenbrook.k12.il.us/gbssci/phys/Class/vectors/u3l1b.html

Well, I was more than half right with the answer I gave. All of the
car problems and one airplane problem were answered by the answer I
gave.
Robert B. winn

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