coordonnees.py

Created on April 20, 2023

489 Bytes

etéta°=-téta°er
er°=téta°etéta
polaire:OM=rer
cylindr:OM=rer+zez
sphériq:OM=rer

cart:v=x'ex+y'ey+z'ez
     a=x ̈ex+y ̈ey+z ̈ez
cyli:v=r'er+r0'e0+z'ez
     a=(r ̈-r0'^2)er+(2r'0'+rÖ)e0+z ̈ez
a=cst :mvt unif accel
si a=0 mvt rect unif

mvt circ unif=>v=cst v=r0'e0
et a=-r0'^2er=(-vO^2/r)er

si non unif: v=r0'e0
et a=rÖe0-r0'^2er

solide=syst mat indeform
mvt transla°=tt les pt du solid ont ^m vit à t donné
mvt rota°=tt pt st en mvt circul pr delta droite fix

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coordonnees.py