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Groups > sci.physics > #598422
| From | Sylvia Else <sylvia@not.at.this.address> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: "Opposite spin" |
| Date | 2016-09-27 15:24 +1000 |
| Message-ID | <e4ue4eF1r98U1@mid.individual.net> (permalink) |
| References | <0b437d34-5d4c-486f-925f-6552e7d06b97@googlegroups.com> |
On 25/09/2016 9:19 PM, john wrote: > People talk about "opposite spin". > Look at a Ferris wheel from one side, > it is rotating one way. > Look at it from the other side, > it is rotating the other way. > Just perspective. > If you represent the spin as a vector, then you'll discover that the vector is the same regardless of which side of the wheel you're looking at. On one side, the vector points towards you. Move round to the other side, and now it points away from you. Put a second wheel beside the first, and spin it in the opposite direction. It's vector is in the opposite direction to the first, and no amount of moving around the wheels will make the vectors point in the same direction. So it's not just a matter of perspective. Sylvia.
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"Opposite spin" john <johnsefton288@gmail.com> - 2016-09-25 04:19 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-25 16:44 +0000
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-25 10:05 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-26 01:26 +0000
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 05:10 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 05:16 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-26 16:57 +0000
Re: "Opposite spin" "hanson" <hanson@quick.net> - 2016-09-26 10:11 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 12:20 -0700
Re: "Opposite spin" "hanson" <hanson@quick.net> - 2016-09-26 12:37 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 13:34 -0700
Re: "Opposite spin" "hanson" <hanson@quick.net> - 2016-09-26 14:58 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 06:11 -0500
Re: "Opposite spin" poraty350@gmail.com - 2016-09-27 04:42 -0700
Re: "Opposite spin" poraty350@gmail.com - 2016-09-27 04:39 -0700
Re: "Opposite spin" Double-A <double-a3@hush.com> - 2016-09-25 13:15 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-25 13:38 -0700
Re: "Opposite spin" Double-A <double-a3@hush.com> - 2016-09-25 14:50 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-25 17:37 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-26 08:13 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 06:52 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-26 09:05 -0500
Re: "Opposite spin" Double-A <double-a3@hush.com> - 2016-09-26 14:43 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-25 16:44 -0500
Re: "Opposite spin" "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-09-25 15:35 -0700
Re: "Opposite spin" "hanson" <hanson@quick.net> - 2016-09-25 16:09 -0700
Re: "Opposite spin" "nuny@bid.nes" <Alien8752@gmail.com> - 2016-09-26 15:06 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 17:28 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-27 01:07 +0000
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 19:46 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-27 03:13 +0000
Re: "Opposite spin" "nuny@bid.nes" <Alien8752@gmail.com> - 2016-09-26 18:18 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-26 19:49 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 09:03 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 07:08 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 09:21 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 07:41 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 10:12 -0500
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 11:18 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 09:29 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 12:10 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 10:18 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 12:24 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 13:07 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-27 16:06 -0500
Re: "Opposite spin" poraty350@gmail.com - 2016-09-28 00:08 -0700
Re: "Opposite spin" poraty350@gmail.com - 2016-09-28 00:01 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-29 01:51 +0000
Re: "Opposite spin" HVAC <mr.hvac@gmail.com> - 2016-09-29 06:23 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-29 07:41 -0700
Re: "Opposite spin" "nuny@bid.nes" <Alien8752@gmail.com> - 2016-09-27 17:51 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 18:05 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-28 03:42 +0000
Re: "Opposite spin" "nuny@bid.nes" <Alien8752@gmail.com> - 2016-09-28 02:24 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-28 09:36 -0500
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-28 10:54 -0700
Re: "Opposite spin" Odd Bodkin <bodkinodd@gmail.com> - 2016-09-28 14:37 -0500
Re: "Opposite spin" "reber g=emc^2" <herbertglazier0@gmail.com> - 2016-09-29 11:54 -0700
Re: "Opposite spin" "hanson" <hanson@quick.net> - 2016-09-29 11:59 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 18:12 -0700
Re: "Opposite spin" john <johnsefton288@gmail.com> - 2016-09-27 19:10 -0700
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-28 03:49 +0000
Re: "Opposite spin" moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-09-27 01:02 +0000
Re: "Opposite spin" Sylvia Else <sylvia@not.at.this.address> - 2016-09-27 15:24 +1000
Re: "Opposite spin" noTthaTguY <abu.kuanysh05@gmail.com> - 2016-09-27 14:07 -0700
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