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Buna seara ! 1KWh=?J(jouli)
P(putere mecanica ) =F×v
Multumesc!


Răspuns :

1 W·s = 1J; 1000W.s =1000J; 1000W·3600s = 3600kJ = 3,6 MJ
P = F·d/t  , dar d/t = v  =>  P = F·v