Ah, of course. As I thought it’s obvious now that somebody pointed it out. I blame not noticing it myself on having substituted sleep with caffeine for to long now during exam season…
Anyway thanks so much for the help. :smile:
I have devised a simple thought experiment which leads me to an absurd conclusion and I feel I’m missing something obvious but I can't see where I’m wrong and I hope you could help point out my error.
I start with an empty space initially containing two masses that are at rest relative to...