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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>
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Je ne voudrais pas vous vexer, mais ce n=E2=80=99est pas clair. Je vais vou=
s aider. Un point M=E2=80=99 mobile par rapport =C3=A0 un espace E a pour c=
oordonn=C3=A9es (x=E2=80=99, y=E2=80=99, z=E2=80=99) dans cet espace.=20
On a OM=E2=80=99 =3D OM + MM=E2=80=99. Prenons un d=C3=A9placement suivant =
l=E2=80=99axe des x, on obtient:
x=E2=80=99 =3D x + vt si M=E2=80=99 va dans le sens des x positifs et x=E2=
=80=99 =3D x - vt dans le cas contraire.
C=E2=80=99est du niveau seconde je pense.