X-Received: by 2002:ad4:550c:0:b0:63c:f952:2d0e with SMTP id pz12-20020ad4550c000000b0063cf9522d0emr96855qvb.2.1691063520429; Thu, 03 Aug 2023 04:52:00 -0700 (PDT) X-Received: by 2002:a05:6808:2128:b0:3a7:3100:f8b8 with SMTP id r40-20020a056808212800b003a73100f8b8mr17577225oiw.9.1691063520098; Thu, 03 Aug 2023 04:52:00 -0700 (PDT) Path: ...!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: fr.sci.physique Date: Thu, 3 Aug 2023 04:51:59 -0700 (PDT) In-Reply-To: Injection-Info: google-groups.googlegroups.com; posting-host=2001:861:8bb7:5500:74c5:8c43:9f31:df1e; posting-account=PKzfqAoAAAC4-vQRW_wt6WFB3xnoeWfi NNTP-Posting-Host: 2001:861:8bb7:5500:74c5:8c43:9f31:df1e References: User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <5dfbd76c-6df8-42bd-bb96-76f31ae3e3c9n@googlegroups.com> Subject: =?UTF-8?Q?Re=3A_Probl=C3=A8me_relativiste?= From: Richard Verret Injection-Date: Thu, 03 Aug 2023 11:52:00 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 1469 Lines: 4 Le 03/08/2023 =C3=A0 13:42, Richard Hachel a =C3=A9crit : > Combien de temps faudra-t-il, dans le r=C3=A9f=C3=A9rentiel du wagon, po= ur que le rayon atteigne le plafond? Moi, m=E2=80=99sieu, moi!=20 t =3D 3m/3.10^8 m/s =3D 10^-8 s.