
energie mecanique STI2D
Authored by céline serent
Science
9th - 12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le principe fondamental de la dynamique s'écrit:
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convertir 100 km.h-1 en m.s-1
360 m.s-1
100000 m.s-1
0,100 m.s-1
27,8 m.s-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convertir 25 m.s-1 en km.h-1
6,9 km.h-1
25000 km.h-1
90 km.h-1
0,025 km.h-1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On calcule l'énergie cinétique d'un mobile grâce à la relation :
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Que vaut l'énergie cinétique d'un mobile de masse 25kg qui se déplace à 72 km.h-1?
64800J
129600J
2500 J
5000 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Le travail d'une force s'exprime en :
N
J
W
kg
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