J'ai un petit probleme sur un exercice posé comme T.P. de relativité restreinte, malheureusement en anglais. Et encore plus malheureusement, utilisant les lois de dilatation temporelle.
Texte exact: "You see a (fantasy) spaceship travel away from you at speed 0.8c, and your measurement (after adjusting for LTT) tells you that the on-board clock shows an identical time to that on your clock. How long must you wait before you infer that the on-board clock shows a time that is different by 1 second as compared with your clock? Demonstrate whether it has lost or gained a second with respect to your clock."
J'ai déja bien posé le probleme: 2 cadres de référence, un pour l'observateur (
(Détail des calculs:
Or,
