Path: ...!news.mixmin.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!pasdenom.info!from-devjntp Message-ID: JNTP-Route: news2.nemoweb.net JNTP-DataType: Article Subject: Re: =?UTF-8?Q?Probl=C3=A8me=20relativiste?= References: <5dfbd76c-6df8-42bd-bb96-76f31ae3e3c9n@googlegroups.com> Newsgroups: fr.sci.physique JNTP-HashClient: tHfhKhYcinJi74mQChOrPZFmh1M JNTP-ThreadID: kPx3i58SvXDy6r-3lb6tdPFh4d4 JNTP-Uri: http://news2.nemoweb.net/?DataID=PVKp0sDpEKH0x6aKFGD2lv5pU-0@jntp User-Agent: Nemo/0.999a JNTP-OriginServer: news2.nemoweb.net Date: Thu, 03 Aug 23 11:55:10 +0000 Organization: Nemoweb JNTP-Browser: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 Injection-Info: news2.nemoweb.net; posting-host="32233e2cc613cc59e814785f3ae566116b8f421d"; logging-data="2023-08-03T11:55:10Z/8114777"; posting-account="4@news2.nemoweb.net"; mail-complaints-to="newsmaster@news2.nemoweb.net" JNTP-ProtocolVersion: 0.21.1 JNTP-Server: PhpNemoServer/0.94.5 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-JNTP-JsonNewsGateway: 0.96 From: Richard Hachel Bytes: 1624 Lines: 9 Le 03/08/2023 à 13:52, Richard Verret a écrit : > Le 03/08/2023 à 13:42, Richard Hachel a écrit : >> Combien de temps faudra-t-il, dans le référentiel du wagon, pour que le rayon >> atteigne le plafond? > Moi, m’sieu, moi! > t = 3m/3.10^8 m/s = 10^-8 s. Bonne réponse! R.H.