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Groups > sci.physics.relativity > #580143
| From | Sylvia Else <sylvia@email.invalid> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Bodkin physics: Watermelons in free fall and solar radiation |
| Date | 2022-03-13 10:07 +1100 |
| Message-ID | <j94ne2Fcoa0U1@mid.individual.net> (permalink) |
| References | <19c5267e-6b8f-4aeb-ab8c-a004b9f45e89n@googlegroups.com> <j934roF3ekiU1@mid.individual.net> <4c07ee4d-e732-4a34-a40b-985383c39000n@googlegroups.com> |
On 12-Mar-22 10:48 pm, Richard Hertz wrote: > On Saturday, March 12, 2022 at 5:44:45 AM UTC-3, Sylvia Else wrote: >> On 12-Mar-22 5:20 pm, Richard Hertz wrote: >>> I can't let this gem pass. It's a sample of the power of thought of >>> The Supreme Thinker and one of the rare posts where he uses his math: >>> >>> Can you spot the error(s)? >>> >>> ************************************************* >>> >>> Dec 2, 2014, 5:17:02 PM >>> >>> Almost all of the photonic flow down onto the surface of the earth is >>> due to the sun. The amount of energy delivered to the surface of the >>> earth is 1370 W/m^2 at the latitude where the sun is directly overhead. >>> (At different latitutes, it's less.) >>> >>> So let's take a watermelon, which has a cross-sectional area of about >>> 0.20 m^2, and we'll drop it from the third story (10 meters up) of a >>> city parking garage. The maximal amount of photonic energy it can absorb >>> from above is therefore 1370 W/m^2 * 0.2 m^2 = 275 W roughly, certainly >>> no more than 300 W. >>> >>> This is of course presuming that none of the >>> photonic energy is reflected and that all of it is absorbed, which isn't >>> true but assuming that anyway will give us a maximum limit. >>> It takes 1.4 seconds for a watermelon released from rest to fall to the >>> ground. During this time, it will absorb 275 W * 1.4 sec = 400 joules roughly. >>> >>> Since the average watermelon is about 20 pounds or 9 kilograms, >>> we can find the speed this 400 Joules could generate: >>> 400 J = (1/2)mv^2 = (1/2)*(9 kg)*v^2 >>> so >>> v = 9.4 m/s if ALL of the photonic energy is absorbed and converted into >>> kinetic energy rather than heat or anything else. >>> >>> But the watermelon is observed to have a speed of 9.8 m/s^2 * 1.4 sec = >>> 13.7 m/s, which can be measured with a light strobe, a camera, and a >>> meter stick mounted at ground level. >>> ************************************************* >>> ?? >> You've truly surpassed yourself. >> >> And I don't mean that in a good way. >> >> What has the kinetic energy due to the absorption of light got to do >> with the speed the melon reaches under the influence of gravity? >> >> Sylvia. > > Exactly. You have to ask to Bodkin, not to me. There you have the timestamp of his post by then. > > And he's an advocate of relativity. > > Did you find the error(s)? Your post fits into the "not even wrong" category. Heads up - that's not a good thing. Sylvia.
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Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-11 22:20 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Sylvia Else <sylvia@email.invalid> - 2022-03-12 19:44 +1100
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 03:48 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Sylvia Else <sylvia@email.invalid> - 2022-03-13 10:07 +1100
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 16:10 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Sylvia Else <sylvia@email.invalid> - 2022-03-13 16:51 +1100
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 22:05 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 13:29 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-13 06:48 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 13:29 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation nospam@de-ster.demon.nl (J. J. Lodder) - 2022-03-12 11:37 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-12 15:06 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 10:13 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-12 19:34 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 11:55 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-12 20:13 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 12:48 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-12 21:06 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 14:52 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 00:13 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Michael Moroney <moroney@world.std.spaamtrap.com> - 2022-03-12 20:59 -0500
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 20:35 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 12:34 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-12 12:07 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation nospam@de-ster.demon.nl (J. J. Lodder) - 2022-03-12 22:55 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-12 22:12 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation nospam@de-ster.demon.nl (J. J. Lodder) - 2022-03-12 23:46 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 14:55 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 14:58 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Vaugn Rhea <var@bfrlsr.ni> - 2022-03-12 23:12 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 00:14 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-12 20:41 -0800
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 12:35 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-13 06:29 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 13:33 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-13 06:49 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 14:01 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Dirk Van de moortel <dirkvandemoortel@notmail.com> - 2022-03-13 16:58 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation "Dono." <eggy20011951@gmail.com> - 2022-03-13 09:26 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation "Paul B. Andersen" <paul.b.andersen@paulba.no> - 2022-03-13 21:17 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 20:51 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-13 20:57 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Maciej Wozniak <maluwozniak@gmail.com> - 2022-03-13 14:09 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Dirk Van de moortel <dirkvandemoortel@notmail.com> - 2022-03-13 22:44 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-13 16:15 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-14 00:06 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-13 21:15 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Michael Moroney <moroney@world.std.spaamtrap.com> - 2022-03-14 02:55 -0400
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-14 00:31 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Dirk Van de moortel <dirkvandemoortel@notmail.com> - 2022-03-14 10:45 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-14 10:48 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-14 08:57 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-14 09:39 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-14 17:05 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Michael Moroney <moroney@world.std.spaamtrap.com> - 2022-03-14 14:43 -0400
Re: Bodkin physics: Watermelons in free fall and solar radiation nospam@de-ster.demon.nl (J. J. Lodder) - 2022-03-14 22:22 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Maciej Wozniak <maluwozniak@gmail.com> - 2022-03-14 14:26 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-15 00:51 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-14 22:13 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-15 10:36 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-13 11:17 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-14 22:55 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-15 01:08 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-15 11:12 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-16 09:03 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-16 10:16 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-16 17:30 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Maciej Wozniak <maluwozniak@gmail.com> - 2022-03-16 10:58 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-16 11:46 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-16 19:18 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-16 13:03 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Paparios <mrios@ing.puc.cl> - 2022-03-16 13:54 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-16 14:21 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-16 21:37 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Dirk Van de moortel <dirkvandemoortel@notmail.com> - 2022-03-16 23:16 +0100
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-16 22:27 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-16 16:37 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Paparios <mrios@ing.puc.cl> - 2022-03-16 18:34 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-16 21:58 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Paparios <mrios@ing.puc.cl> - 2022-03-17 06:27 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-17 11:12 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Paparios <mrios@ing.puc.cl> - 2022-03-17 11:44 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-17 17:22 -0700
Crank Richard Hertz admits he's an asshole "Dono." <eggy20011951@gmail.com> - 2022-03-17 21:26 -0700
Re: Crank Richard Hertz admits he's an asshole Maciej Wozniak <maluwozniak@gmail.com> - 2022-03-17 22:30 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-18 21:21 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-18 21:54 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-18 22:21 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-18 23:10 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Richard Hertz <hertz778@gmail.com> - 2022-03-18 23:42 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-19 13:10 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-19 13:50 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-20 12:08 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation The Starmaker <starmaker@ix.netcom.com> - 2022-03-21 22:47 -0700
Crank Richard Hertz loves eating shit "Dono." <eggy20011951@gmail.com> - 2022-03-16 22:04 -0700
Re: Bodkin physics: Watermelons in free fall and solar radiation Odd Bodkin <bodkinodd@gmail.com> - 2022-03-16 20:59 +0000
Re: Bodkin physics: Watermelons in free fall and solar radiation nospam@de-ster.demon.nl (J. J. Lodder) - 2022-03-13 14:21 +0100
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