On Sunday, December 15, 2024 at 12:19:54 PM UTC-7 Brent Meeker wrote:
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'sG
They 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.
Brent
Since 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.
Brent
So if front and back of car pass through front of garage in that order,
that's not enough to affirm fitness and/or simultaneity? And if
simultaneity is ultimately affirmed, will ALL other frames have the time
order reversed? TY, AG
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