Mouvement: dans un champ électrique uniforme-BAC Flashcards by Adaora ILOANUSI

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Application 2e loi de Newton

ΣF = ma
Fe = qE = ma
a= qE/m

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théorème de l’énergie cinétique

ΔEc = Ec(B) - Ec(A) =Σ Wab(F)
Wab(F) = FAB = FABcos α
= qEdcos 0
= qEd
= q* U/d d
= qU

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Mouvement: dans un champ électrique uniforme-BAC Flashcards

(2 cards)