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Groups > sci.physics > #529369
| From | Fabian Russell <root@localhost.localdomain> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: What if the Earth were Hollow? |
| Date | 2015-10-31 03:21 +0000 |
| Organization | NewsGuy - Unlimited Usenet $23.95 |
| Message-ID | <pan.2015.10.31.03.21.02@localhost.localdomain> (permalink) |
| References | <kOOdnWLYtOOhh6nLnZ2dnUU7-a2dnZ2d@giganews.com> <n117di$80u$1@speranza.aioe.org> <pan.2015.10.31.02.39.15@localhost.localdomain> <n11bha$f4s$1@speranza.aioe.org> |
On Fri, 30 Oct 2015 22:11:20 -0500, gilber34 wrote: >> >> Question: What shape does a tunnel have to be to allow a complete >> passage? > > > with or without air in the tunnel ? > > with, prob a strange sprial > > without ....... > Let consider without air. Dropping a ball at the surface is essentially putting an object into orbit with an initial velocity equal to the rotational speed at the latitude of the drop. The path then would have to be an ellipse.
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What if the Earth were Hollow? Sam Wormley <swormley1@gmail.com> - 2015-10-30 20:32 -0500
Re: What if the Earth were Hollow? gilber34 <fafa@invalid.com> - 2015-10-30 21:01 -0500
Re: What if the Earth were Hollow? Fabian Russell <root@localhost.localdomain> - 2015-10-31 02:39 +0000
Re: What if the Earth were Hollow? gilber34 <fafa@invalid.com> - 2015-10-30 22:11 -0500
Re: What if the Earth were Hollow? Fabian Russell <root@localhost.localdomain> - 2015-10-31 03:21 +0000
Re: What if the Earth were Hollow? "nuny@bid.nes" <Alien8752@gmail.com> - 2015-10-31 09:01 -0700
Re: What if the Earth were Hollow? benj <none@gmail.com> - 2015-10-31 13:40 -0400
Re: What if the Earth were Hollow? Fabian Russell <root@localhost.localdomain> - 2015-10-31 18:10 +0000
Re: What if the Earth were Hollow? Mahipal <mahipal7638@gmail.com> - 2015-10-31 11:38 -0700
Re: What if the Earth were Hollow? Fabian Russell <root@localhost.localdomain> - 2015-10-31 19:40 +0000
Re: What if the Earth were Hollow? xxein1@att.net - 2015-10-31 09:52 -0700
Re: What if the Earth were Hollow? gilber34 <fafa@invalid.com> - 2015-10-31 12:39 -0500
Re: What if the Earth were Hollow? "nuny@bid.nes" <Alien8752@gmail.com> - 2015-11-01 04:11 -0800
Re: What if the Earth were Hollow? Fabian Russell <root@localhost.localdomain> - 2015-11-01 17:40 +0000
Re: What if the Earth were Hollow? jimp@specsol.spam.sux.com - 2015-10-31 02:24 +0000
Re: What if the Earth were Hollow? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-10-31 12:16 -0700
Re: What if the Earth were Hollow? Lofty Goat <rlwatkins@gmail.com> - 2015-10-31 18:17 -0500
Re: What if the Earth were Hollow? Sam Wormley <swormley1@gmail.com> - 2015-10-31 19:32 -0500
Re: What if the Earth were Hollow? "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-11-01 14:56 -0800
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