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X-Received: by 2002:ac8:584d:0:b0:3e9:9419:b153 with SMTP id h13-20020ac8584d000000b003e99419b153mr2748100qth.0.1683453715391; Sun, 07 May 2023 03:01:55 -0700 (PDT) X-Received: by 2002:a81:af0e:0:b0:55a:5641:54be with SMTP id n14-20020a81af0e000000b0055a564154bemr4308686ywh.6.1683453715176; Sun, 07 May 2023 03:01:55 -0700 (PDT) Path: ...!weretis.net!feeder8.news.weretis.net!feeder1.feed.usenet.farm!feed.usenet.farm!peer01.ams4!peer.am4.highwinds-media.com!peer01.iad!feed-me.highwinds-media.com!news.highwinds-media.com!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: fr.sci.physique Date: Sun, 7 May 2023 03:01:54 -0700 (PDT) In-Reply-To: <u36f10$30ipo$1@dont-email.me> Injection-Info: google-groups.googlegroups.com; posting-host=2001:861:8bb7:5500:e4a2:17de:e042:1b61; posting-account=PKzfqAoAAAC4-vQRW_wt6WFB3xnoeWfi NNTP-Posting-Host: 2001:861:8bb7:5500:e4a2:17de:e042:1b61 References: <u0r2k6$161g2$1@dont-email.me> <u13egk$2kc1l$1@dont-email.me> <u13jou$2ko1o$1@dont-email.me> <u13lqv$2l0ir$1@dont-email.me> <u13q9c$2l3vn$1@dont-email.me> <u13que$2kt04$1@dont-email.me> <u13t5s$rq$2@shakotay.alphanet.ch> <u13u8n$2l71c$2@dont-email.me> <eu6-atxrEppmGwQfAd86ghgZ6-U@jntp> <u1434c$2m51m$2@dont-email.me> <T66X88xOsCfsVOT48hqiAurwkDY@jntp> <98670816-3efe-485c-8032-da48ddc31585n@googlegroups.com> <u36f10$30ipo$1@dont-email.me> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <c0c2e7da-d6d0-4127-96d8-300ee4c6ab43n@googlegroups.com> Subject: =?UTF-8?Q?Re=3A_Quand_l=27I=2EA=2E_p=C3=A8te_les_plombs_sur_la_RR=2E?= From: Richard Verret <rverret97@gmail.com> Injection-Date: Sun, 07 May 2023 10:01:55 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Received-Bytes: 3021 Bytes: 3185 Lines: 26 Le samedi 6 mai 2023 =C3=A0 22:58:14 UTC+2, Python a =C3=A9crit=C2=A0: > Les =C3=A9quations du mouvement sont :=20 > x =3D d + vt ; y =3D 0 ; z =3D 0=20 > en d=C3=A9rivant par rapport =C3=A0 t on obtient :=20 > dx/dt =3D v; dy/dt =3D 0 ; dz/dt =3D 0=20 > c'est-=C3=A0-dire les composantes de la vitesse instantan=C3=A9e=20 > du corps en mouvement : (v, 0, 0)=20 > Passons aux =C3=A9quations de la transformation de Galil=C3=A9e :=20 > x' =3D x - vt ; y' =3D y ; z' =3D z ; t' =3D t=20 > Quel sens donner =C3=A0 la d=C3=A9rivation de ces =C3=A9quations par rapp= ort =C3=A0 t?=20 C=E2=80=99est tr=C3=A8s bien Python de vouloir donner un sens, mais il s=E2= =80=99agit ici juste de d=C3=A9river par rapport au temps. Moi, je suis b= =C3=AAte, je ne cherche pas =C3=A0 donner un sens =C3=A0 une d=C3=A9riv=C3= =A9e, quand je d=C3=A9rive cette =C3=A9quation je trouve que dx=E2=80=99/dt= =3D -v.=20 L=C3=A0, effectivement, on peut se poser la question du sens. Que signifie = cette vitesse ? > Le niveau de b=C3=AAtise, d'ignorance et de manque d'int=C3=A9grit=C3=A9= =20 > intellectuelle que vous d=C3=A9montrez est un peu trop =C3=A9lev=C3=A9 po= ur =C3=AAtre sinc=C3=A8re. Les attaques ad hominem viennent, en g=C3=A9n=C3=A9ral, quand on manque d= =E2=80=99arguments rationnels.