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Re: Problem

Cross-posted to 2 groups.

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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.

neglected??? but, but..the water drops fall under constant
*accelerations* due to gravity. 


You sound like those teachers in skool who are in need of 'textbooks' in
order to  learn how to teach.


Without 'textbooks', teachers cannot teach.

(and these textbooks come with solutions otherwise the teachers
themselves don't know the answers.)




> 
> 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.

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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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