On 12/16/2024 6:41 PM, Jesse Mazer wrote:
On Mon, Dec 16, 2024 at 7:16 PM Alan Grayson <agrayson2...@gmail.com>
wrote:
On Monday, December 16, 2024 at 3:42:33 PM UTC-7 Brent Meeker wrote:
On 12/15/2024 10:44 PM, Alan Grayson wrote:
*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
C'mon Alan stop playing dumb. It's obvious that driving
a car thru at any speed (except "reverse") has the front
and back of the car pass through front of garage in that
order (and also pass thru the back of the garage in that
order); it's a fact that arises because the front of the
car precedes the back of the car down the road.
*Actually, you're the one who's playing dumb. Or maybe you
are dumb. Or maybe you have poor command of English. Suggest
you read what you wrote, CAREFULLY! You claimed, and Jesse
affirmed, that even when the car fits in the garage, and the
ends are measured as simultaneous, there are frames where the
two end events (front and back) are simultaneous, and frames
where they are not simultaneous. *
But in *every* frame the front of the car passes thru the
front the garage before the rear; so ultimately affirming that
means nothing except the car is going forward, not in
reverse. But you couldn't think a moment and figure that
out. Instead you rush to your keyboard to write so more
questions.
Brent
This is pure shit. Why did Jesse understand what I meant, but it
goes totally over your head? You wrote that events simulaneous in
one frame can have their time order reversed in another frame.
No. That's what you wrote and I pointed out it was nonsense. What you
should have said is that spacelike events in one order in one frame can
be in the reverse order in a different frame.
Brent
I took this as a general statement, not necessarily referring just
to cars. If you meant something different, learn to write clearly.
FU, AG
In my other response to you I was talking about the order of the
events of the back of the car passing through the front of the garage,
compared to the front of the car reaching the *back* of the
garage--those events have a space-like separation in Brent's numerical
example, so they can occur in different orders in different frames.
But in the statement Brent was responding to, you said "So if front
and back of car pass through front of garage in that order"--that
would seem to mean the event of the front of the car passing through
the front of the garage, and the back of the car *also* passing
through the front of the garage, is that what you meant or did you
miswrite it? The events of the front vs. back of the car both passing
the front of the garage have a time-like separation, so all frames
will agree on the order of those two events.
Jesse
*So, it is logical to infer from your statement that there
could be two events in some frame, that might or might not be
simultaneous, in the absense of fitting. Physicists are not
expected to be masters of language, but your understanding of
your own words doesn't meet grade school level. AG*
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