On 12/15/2024 12:08 AM, Alan Grayson wrote:
On Saturday, December 14, 2024 at 11:03:27 PM UTC-7 Brent Meeker wrote: On 12/14/2024 8:55 PM, Alan Grayson wrote:On Saturday, December 14, 2024 at 9:09:01 PM UTC-7 Brent Meeker wrote: On 12/14/2024 7:46 PM, Alan Grayson wrote:I meant I hadn't considered the ordering you postulated as effecting simultaneity. By "fit", I always meant the ordering you described, _and_ that the paradox is alive and well under such ordering. Moreover, I don't see why in the car frame we can't have the phenomenon synchronized with the garage frame, so the observers see the same thing, at the same time, which IMO implies a paradox. A'sGThey can't see the same events at the same time because they are moving relative to one another and light has a finite velocity. Brent But there's only one phenomenon to observe, from different points of view.No, there's an event of the front of the car exiting the garage and the event of the rear of the car entering the garage, two phenomena. BrentSince the car fits in the garage in this scenario, it must be from the frame of the garage (since car doesn't fit in garage from the car frame). If this is your solution to the apparent paradox, where have you used simultaneity, which is the usual solution to this problem? AG
Just noting there are two events doesn't say anything about fitting in the garage. That arises because the time order of the events is different in different frames of motion.
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