Le lun. 30 déc. 2024, 07:41, Alan Grayson <[email protected]> a écrit :
> > > On Monday, December 30, 2024 at 12:23:08 AM UTC-7 Alan Grayson wrote: > > On Sunday, December 29, 2024 at 11:06:06 PM UTC-7 Brent Meeker wrote: > > On 12/29/2024 7:02 PM, Alan Grayson wrote: > > On Sunday, December 29, 2024 at 4:38:06 PM UTC-7 Brent Meeker wrote: > > On 12/29/2024 4:08 AM, Alan Grayson wrote: > > *Here's another video which shows the paradox is resolved by demonstrating > that the car fits in both frames, again affirming my intuition that 1), the > paradox is caused by the apparent disagreement between the frames that the > car fits in garage; and 2), the fact that using the LT properly, by > including time dilation, there does exist an objective reality wherein the > car fits in garage in both frames. Why then, when I asked you to affirm the > existence of this objective reality, you denied it? AG* > > *https://www.youtube.com/watch?v=4HtKe9POc_Q > <https://www.youtube.com/watch?v=4HtKe9POc_Q>* > > > You don't even understand the things you post...or you're just trolling. > Here's a still from that video. > > > > Look at the numbers in the box, the entrance and exit numbers from the > garage point of view. Back enters at 1.6e-8 and Front exits at 1.8e-8, > AFTER the back had entered. So the pole was entirely within the garage, > from the garage pov. Now look at the numbers calculated on the upper > right. These are the numbers from the cars point of view. Back enters at > 3.70e-8 sec and Front exits 8.07e-9 sec. The Front exits BEFORE the back > enters. The pole is not entirely within the garage! And then the > discrepancy is illustrated by an animation, clearly showing the pole > (ladder) doesn't fit in the garage in the frame in which the garage is > moving. > > > > Yet you write, " > *Here's another video which shows the paradox is resolved by demonstrating > that the car fits in both frames,". * > > > *I should have wriiten " ... allegedly resolved ... ". In your opinion, > can it be shown the car fits in garage from the car's frame? If not, the > paradox is alive and well, and SR is in trouble. AG* > > ??? You should have written the video shows that the pole fits in one > reference frame (the garage's) and not in the other (the pole's). I don't > know whether that "allegedly resolves" the paradox for you or not. > > Brent > > > *In other alleged SR paradoxes, where observers are juxtaposed like the > TP, the resolution involves some asymmetry, but not in this case. My > question was, really, as far as you know, is there any way for the car to > fit in the garage from the car's frame? For you, I suppose that the > observers differing in their conclusion about fitting is not a problem. If > so, my use of length contraction should have been sufficient for you, since > the conclusion is the same as your plots. For me the disagreement is a > problem, but it's hard to come up with a convincing argument why that's the > case. On the Internet, it seems to be assumed that such disagreement > produces what appears to be a paradox, but it's not argued why this is so. > In my discussions with Jesse I tried to imagine a Bird's Eye Observer, for > an observer, say, from a satellite with the garage being open on the top, > to determine what would be observed, by an alleged objective observer, but > I'm not sure this is helpful in this case. AG* > > > *The only asymmetry in this case involves the velocity of the car. Here, > it's not an ideal case of two entities moving with respect to each other, > and being the only entities in the universe, that allows us to conclude > their motion is simply relative. AG * > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/everything-list/cfeeb90a-fc9e-40b3-b3bc-15b2211e37d7n%40googlegroups.com > <https://groups.google.com/d/msgid/everything-list/cfeeb90a-fc9e-40b3-b3bc-15b2211e37d7n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/everything-list/CAMW2kArX0FycKk3L_jEd_U9MYoVCreTsag%3DkDfMMjt489bjYHg%40mail.gmail.com.
