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From: Jim Pennino <jimp@gonzo.specsol.net>
Newsgroups: sci.physics
Subject: Re: Acceleration.
Date: Sun, 20 Apr 2025 07:43:40 -0700
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Maciej Woźniak <mlwozniak@wp.pl> wrote:
> On 4/19/2025 6:42 PM, Jim Pennino wrote:
>> Maciej Woźniak <mlwozniak@wp.pl> wrote:
>>> On 4/19/2025 4:53 PM, Jim Pennino wrote:
>>>> Maciej Woźniak <mlwozniak@wp.pl> wrote:
>>>>> On 4/19/2025 1:44 AM, Jim Pennino wrote:
>>>>>> In sci.physics Bertitaylor <bertietaylor@myyahoo.com> wrote:
>>>>>>> Wow you guys are so thoroughly wrongly educated about the 
> fundamentals
>>>>>>> of physics.
>>>>>>
>>>>>> Acceleration is the first derivative of velocity with respect to time
>>>>>> and velocity is the first derivative of position with respect to 
> time.
>>>>>
>>>>>
>>>>> Haven't you even heard that there is no
>>>>> acceleration for free falling objects?
>>>>
>>>> No, not from anyone sane.
>>>
>>> Surely not from anyone sane. Einstein's
>>> elevator - sounds familiar?
>>
>> Yes, and unlike you I understand the implications which you quite
>> clearly do not.
> 
> Clearly you do not; don't worry, most of
> your brothers in Einstein can't comprehend
> that inconsistent mumble of your divine
> guru as well.
> 
> So, a simple (maybe even simple enough for
> you) question.
> An observer (Alice) is observing an object O
> in the position of x. The velocity of the object
> is 0, space is inflating. Does the position
> change?
> Yes or no.

Gibberish.

Positions have 3 coordinates.

Velocity with respect to what?

Define "space is inflating".

-- 
penninojim@yahoo.com