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energie mecanique STI2D

Authored by céline serent

Science

9th - 12th Grade

Used 2+ times

energie mecanique STI2D
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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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