la relativité
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La relativité. Tout est relatif, même mon génie. GALILEO GALILEI 1564 - 1642. Energie. - PowerPoint PPT PresentationTRANSCRIPT
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La relativité
Tout est relatif, même mon génie
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GALILEO GALILEI
1564 - 1642
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2' ' ( ' ')
' ' ' '
' 1 '
' '
'' ' '
x ct
vx vt c t x
cv
x ct vt xc
vx c v t
c
c vx c v t
c
xt x ct
c
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Energie2
2
2
2
2 2
2
2
12 2 22
2 2 2
2
Energie totale à la vitesse v :
1
1Part de l'énergie cinétique : 1
1
1Si est petit 1 1
2
1Alors approximation classique
2
Enfin
c
mcE mc
vc
E E mc mcvc
v v v
c c c
E mv
2, si 0, équivalence masse - énergiev E mc
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