Free Republic
Browse · Search
Religion
Topics · Post Article

To: LeGrande; Ethan Clive Osgoode
I have a question for you. If you are on a planet that is revolving at 16.6 minutes per revolution and a sniper with a laser is one Au from you how many degrees of revolution (from your perspective) would he have to lead you to shoot you? In other words if the sniper is on the sun at dawn and you are facing the sun at dawn and don’t move will the laser pulse hit you in the face or the back of the head?

Please just answer the merry go around questions! They will so clearly demonstrate to all of us how it works. Why bother with a complicated scenario which neither of us can replicate when we can so clearly illustrate it with a merry go around? Sitting on a spinning merry go around (especially if it was on one of the poles) would completely perfectly simulate the earth's rotation speeding up. If the earth's rotation of 2.13 degrees per 8.5 minutes lags the suns apparent position by 2.13 degrees then a merry go around's rotation of 180 degrees per 8.5 minutes will also lag the apparent position of the sun by 180 degrees. But you know that it doesn't!

And if you think that sitting on a rotating merry go around @180Deg/8.5min(Relative to the sun). on the north pole won't have the same effect on the apparent lag of the sun as would speeding up the earth to that speed, imagine sitting on the merry go around on the pole turning at 180 deg/8.5minutes (relative to the sun) and all the sudden *poof* the world vanishes - there you will be with your merry go around, turning at 180Deg/8.5Min, in space, the same distance from the earth, on the same orbit that earth had been on, and now you agree that the merry go around WOULD cause a lag of 180 degrees in the apparent position of the sun.

So enlighten us and show that your statements are true! (or whatever they may be.)

Thanks,

-Jesse

524 posted on 07/07/2008 12:58:03 AM PDT by mrjesse (Could it be true? Imagine, being forgiven, and having a cause, greater then yourself, to live for!)
[ Post Reply | Private Reply | To 522 | View Replies ]


To: mrjesse
I have been answering your merry go round question.

a merry go around's rotation of 180 degrees per 8.5 minutes will also lag the apparent position of the sun by 180 degrees. But you know that it doesn't!

OK, lets have you sit on the edge of the MGR, facing the center, as it slowly spins and the sun is just rising over the horizon so that every 17 minutes you are directly facing the sun looking directly over the center of the MGR.

Lets have you start facing directly at the sun over the center of the MGR with the suns light off. Now we turn the Sun on for a brief instant as you slowly turn on your MGR facing the sun. As you slowly turn your world is dark. When you are facing 180 degrees away from the sun (8.3 minutes later) now you will see the flash of light from the sun. The suns apparent position is 180 degrees off, remember you don't actually see anything all you 'see' is photons hitting your retina.

I understand that this isn't intuitive at all. Snow flakes are a little more intuitive. Lets say that you are sitting on a MRG with snow falling straight down on you. Now we gradually start the MGR spinning do you still perceive the snow falling straight down? No, and as you spin the MGR faster and faster at some point the snow will appear to be coming horizontally. An observer standing by the side will still see the snow coming straight down and an observer on another MGR going the opposite direction will see the snow coming horizontally in the opposite direction that you saw it.

528 posted on 07/07/2008 8:50:39 AM PDT by LeGrande
[ Post Reply | Private Reply | To 524 | View Replies ]

Free Republic
Browse · Search
Religion
Topics · Post Article


FreeRepublic, LLC, PO BOX 9771, FRESNO, CA 93794
FreeRepublic.com is powered by software copyright 2000-2008 John Robinson