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by stavros
871 days ago
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> You can accelerate to 0.5c and then toss an apple out the window and say you’re moving at the speed of an apple tossed out of the window, relative to the apple. You have all of c available as headroom again? You can accelerate up to 0.5c again, relative to the apple you tossed out the window? Yes you can. You can even do it with 0.6c for both those speeds. |
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