MI 3 et 4 Flashcards

1
Q

2e loi de Newton

A

Σ F = mP * a

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2
Q

3e loi de Kepler

A

Proportionnel donc : K= T²/a^3

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3
Q

(force) poids

A

vertical, vers le bas, de valeur P= m*g

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4
Q

(force) poussée d’Archimède

A

verticale, vers le haut, de valeur Pa = ρVg

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5
Q

équilibre

A

les forces exercées sont égales donc la somme des forces est nulle

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6
Q

débit volumique

A

Dv = v * S

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7
Q

force gravitationnelle

A

G * mAmB / R² * n ou G * mAmB / (R+z)² * n

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8
Q

satellite géostationnaire

A

immobile dans le référentiel terrestre

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9
Q

période de révolution T

A

T = d/v = 2πR / v

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10
Q

loi des gaz parfaits

A

P * V = n * R * T => n = P * V / R * T => V= n * RVT/ P

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11
Q

Lors de l’écoulement d’un fluide incompressible en régime permanent stationnaire, le débit volumique….

A

reste constant

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12
Q

1re loi de Kepler

A

La trajectoire d’un satellite est une ellipse dont le centre de l’attracteur (Soleil, planète) est un foyer.

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