Geoff Lambert <G.Lambert@unsw.edu.au> wrote in article
<5til25$gpr$1@mirv.unsw.edu.au>... > David Johnson <trainman@ozemail.com.au> wrote: > > >Geoff Lambert wrote: > > And, if you're in the mood for it, you might like to calculate the > train resistance at 50 kph, and subsequent accelaration, for a train > running north-south compared with one running east-west at the > latitude of Sydney, due to the so-called "Coriolis effect" induced by > the Earth's rotation. The magazine "Railway Engineer" ran a complete > analsyis in the 1930's. The effect is readily measurable with a > modern dynamometer car and there is a Dutch university newsgroup > devoted to such obscure physical/engineering trivia. > >
Is this the same effect that says that in a north-south railway the west
rail will wear out a couple of hours before the east rail ? ;-)
--
Cheers Krel
The Law of Inverse Proportions - The chances of the signal clearing
without having to get out of the cab and go to a lineside phone is inversly
proportional to the amount of rain falling at the time :-)