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From: Richard Hachel <r.hachel@liscati.fr.invalid>
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Le 24/09/2024 à 22:47, Python a écrit :
> 
> Complete madness, oh God !
> 
> I'll post the ambulance-siren comparison though.

Bah oui, tu peux.
Mais tout cela se fait en mode newtonien.
Ce n'est pas un exercice relativiste.
Tout se passe au premier degré seulement.
Alors qu'en relativité, avec des fusées allant très vite, les effets 
Doppler doivent comprendre des effets du second degré [sqrt(1-v²/c²)] 
que tu ne trouveras pas avec tes ambulances.
C'est pourquoi vous gagnez du temps en utilisant directement des fusées.
Après, je dis ça, je dis rien.

R.H.