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Groups > sci.physics.relativity > #576176
| Message-ID | <6200A7D5.2558@ix.netcom.com> (permalink) |
|---|---|
| Date | 2022-02-06 21:02 -0800 |
| From | The Starmaker <starmaker@ix.netcom.com> |
| Newsgroups | sci.physics.relativity |
| Subject | Re: Problem |
| References | <I_HMLUBsBFTOy4Rrxl4zBsLw6uk@jntp> <j6aijtF3fkbU1@mid.individual.net> <I_M3DZ6js13j2xr_EzWA9lB3ehE@jntp> <6200A79A.5728@ix.netcom.com> |
i mean no forrest for a tree to fall... The Starmaker wrote: > > For some reason Google Groups doesn't see your post... > no tree fell in the forrest. > > Richard Hachel wrote: > > > > Problem of the day Baccalaureate Seine-Saint-Denis June 2022 (France): > > > > A tap leaks three drops of water every 24 hours, or one drop every eight > > hours. > > > > First question: is this normal? > > > > Second question: Assuming that a day corresponds to approximately 24 > > hours, estimate the loss per day. > > (four points) > > > > Third question: assuming that the neighbor upstairs takes drugs, and that > > his daughter is a prostitute, does this have an impact for you on the > > leakage of the tap? > > (one point). > > > > If not, explain why (fifteen points). > > > > We give the following Lorentz transformations: > > x'=(x+vt)/sqrt(1-v²/c²) > > y'=y > > z'=z > > t'=(t-xv/c²)/sqrt(1-v²/c²) > > The accelerations of the tap water leak will be neglected. > > > > R.H. > > -- > The Starmaker -- To question the unquestionable, ask the unaskable, > to think the unthinkable, mention the unmentionable, say the unsayable, > and challenge > the unchallengeable. -- The Starmaker -- To question the unquestionable, ask the unaskable, to think the unthinkable, mention the unmentionable, say the unsayable, and challenge the unchallengeable.
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Invariance of the speed of light Richard Hachel <r.hachel@tiscali.fr> - 2022-02-06 14:47 +0000
Re: Invariance of the speed of light Maciej Wozniak <maluwozniak@gmail.com> - 2022-02-06 08:05 -0800
Re: Invariance of the speed of light whodat <whodaat@void.nowgre.com> - 2022-02-06 12:33 -0600
Problem Richard Hachel <r.hachel@tiscali.fr> - 2022-02-06 18:59 +0000
Re: Problem The Starmaker <starmaker@ix.netcom.com> - 2022-02-06 12:22 -0800
Re: Problem Richard Hachel <r.hachel@tiscali.fr> - 2022-02-06 20:35 +0000
Re: Problem FromTheRafters <erratic@nomail.afraid.org> - 2022-02-06 16:10 -0500
Re: Problem The Starmaker <starmaker@ix.netcom.com> - 2022-02-06 21:01 -0800
Re: Problem The Starmaker <starmaker@ix.netcom.com> - 2022-02-06 21:02 -0800
Re: Invariance of the speed of light "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2022-02-06 14:12 -0800
Re: Invariance of the speed of light "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2022-02-06 16:35 -0800
Re: Invariance of the speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2022-02-07 06:23 +0100
Re: Invariance of the speed of light Richard Hachel <r.hachel@tiscali.fr> - 2022-02-07 15:14 +0000
Re: Invariance of the speed of light Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2022-02-13 19:14 +0100
Re: Invariance of the speed of light Darrel Angus <argus@iiehdc.mx> - 2022-02-14 07:11 +0000
Re: Invariance of the speed of light Richard Hertz <hertz778@gmail.com> - 2022-02-13 23:54 -0800
Re: Invariance of the speed of light Sylvia Else <sylvia@email.invalid> - 2022-02-14 21:51 +1100
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