Unit B Formulas Flashcards

(13 cards)

1
Q

What is average speed? / Quelle est la vitesse moyenne ?

A

Average speed = total distance / total time / Vitesse moyenne = distance totale / temps total

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2
Q

What is average velocity? / Quelle est la vitesse moyenne vectorielle ?

A

Average velocity = displacement / time / Vitesse moyenne = deplacement / temps

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3
Q

What is acceleration? / Quelle est l acceleration ?

A

a = Δv / Δt / a = Δv / Δt

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4
Q

What is Newton’s Second Law? / Quelle est la deuxieme loi de Newton ?

A

F = ma / F = ma

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5
Q

What is momentum? / Quelle est la quantite de mouvement ?

A

p = mv / p = mv

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6
Q

What is impulse? / Quelle est l impulsion ?

A

J = FΔt / J = FΔt

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7
Q

What is work? / Quel est le travail ?

A

W = Fd / W = Fd

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8
Q

What is kinetic energy? / Quelle est l energie cinetique ?

A

KE = ½mv² / KE = ½mv²

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9
Q

What is gravitational potential energy? / Quelle est l energie potentielle gravitationnelle ?

A

PE = mgh / PE = mgh

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10
Q

What is mechanical energy? / Quelle est l energie mecanique ?

A

E = KE + PE / E = KE + PE

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11
Q

What is power? / Quelle est la puissance ?

A

P = W / t / P = W / t

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12
Q

What is efficiency? / Quelle est l efficacite ?

A

Efficiency = (Useful Energy Output / Total Energy Input) x 100 / Efficacite = (energie utile / energie totale) x 100

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13
Q

What is mechanical advantage? / Quelle est l avantage mecanique ?

A

MA = Fout / Fin / MA = Fsortie / Fentree

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