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Re: velocity and time

Path csiph.com!aioe.org!.POSTED!not-for-mail
From Odd Bodkin <bodkinodd@gmail.com>
Newsgroups sci.physics.relativity
Subject Re: velocity and time
Date Mon, 13 Feb 2017 07:24:34 -0600
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On 2/12/2017 6:37 PM, Robert Winn wrote:
> On Sunday, February 12, 2017 at 2:15:53 PM UTC-7, Odd Bodkin wrote:
>> On 2/10/2017 2:36 PM, Robert Winn wrote:
>>> On Friday, February 10, 2017 at 1:14:52 PM UTC-7, Odd Bodkin wrote:
>>>> On 2/10/2017 1:30 PM, Robert Winn wrote:
>>>>> To show the difference between the two concepts,
>>>> [velocity and speed]
>>>>
>>>> The difference between velocity and speed is simple.
>>>> Velocity is a vector and speed is a scalar, in fact the scalar magnitude
>>>> of the vector velocity.
>>>>
>>>> Vectors have magnitude and direction, and in 3D space specifying a
>>>> direction requires two numbers, such as azimuth and elevation angles.
>>>> Thus in general in 3D space it requires 3 numbers to specify the vector.
>>>> What those numbers represent depends on the coordinate system (or if you
>>>> want, the basis vectors chosen). Magnitude, elevation and azimuth are
>>>> one possibility. Another set involves x, y, z coordinates, which are the
>>>> projections of the vector onto an orthonormal basis vector set. If the
>>>> vector is constrained to one dimension, then only one signed number is
>>>> needed to specify the vector, and the speed is the absolute value of
>>>> that signed number.
>>>>
>>>> In spacetime, by the way, there are four coordinates needed to specify
>>>> an event. Again, what those four numbers are depend on the type of
>>>> coordinate system chosen.
>>>>
>>>>
>>>> --
>>>> Odd Bodkin -- maker of fine toys, tools, tables
>>>
>>> Yes, I am aware of that.  The coordinate system I have chosen is the Galilean
>>> transformation equations.
>>>
>>
>> Robert, you may or may not be aware that transformation equations are
>> not coordinate systems, and so the last sentence above is gibberish. You
>> might as well have said that the last car you remember driving was a
>> cantaloupe.
>>
>>
>> --
>> Odd Bodkin -- maker of fine toys, tools, tables
>
> Thank you for sharing.  It is very enlightening to know that you do not think that the
> Galilean transformation equations are not a coordinate system.  I always thought they were
> a coordinate system because that was the way Einstein described them.  So what do you think they are?
>

They're equations to transform BETWEEN coordinate systems, Robert. They 
are not coordinate systems.

Would you care to quote what you think Einstein said about it?



-- 
Odd Bodkin -- maker of fine toys, tools, tables

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velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 11:30 -0800
  Cretin Robert Winn continues to spam "Dono," <sa_ge@comcast.net> - 2017-02-10 11:52 -0800
    Re: Cretin Robert Winn continues to spam Robert Winn <rbwinn3@gmail.com> - 2017-02-10 12:21 -0800
  Re: velocity and time Python <python@python.invalid> - 2017-02-10 21:08 +0100
    Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 12:34 -0800
  Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-10 14:14 -0600
    Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 12:36 -0800
      Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-12 15:15 -0600
        Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 16:37 -0800
          Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-13 07:24 -0600
            Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-13 06:45 -0800
              Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-13 09:14 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-13 08:14 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-15 08:39 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-13 08:21 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-14 06:43 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 06:44 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-14 11:25 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 13:32 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-14 15:42 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 17:58 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-15 03:21 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 18:24 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-15 03:36 +0100
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-15 08:43 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-15 07:19 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 08:07 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 09:05 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 11:20 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 10:51 -0800
                Re: velocity and time John Gogo <jfgogo22@yahoo.com> - 2017-02-17 18:16 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-15 08:41 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-15 07:16 -0800
    Re: velocity and time John Gogo <jfgogo22@yahoo.com> - 2017-02-10 16:04 -0800
      Re: velocity and time "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-02-10 16:11 -0800
        Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 17:09 -0800
      Re: velocity and time John Gogo <jfgogo22@yahoo.com> - 2017-02-10 16:13 -0800
        Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 17:11 -0800
          Re: velocity and time "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-02-10 20:36 -0800
            Re: velocity and time "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-02-10 20:40 -0800
              Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 22:17 -0800
            Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 22:16 -0800
      Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 16:59 -0800
        Re: velocity and time John Gogo <jfgogo22@yahoo.com> - 2017-02-10 17:18 -0800
          Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 17:36 -0800
  Re: velocity and time dancouriann@gmail.com - 2017-02-10 15:32 -0800
    Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 16:57 -0800
      Re: velocity and time dancouriann@gmail.com - 2017-02-10 18:07 -0800
        Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-10 23:03 -0800
          Re: velocity and time stringduality@gmail.com - 2017-02-11 05:38 -0800
            Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 07:32 -0800
          Re: velocity and time dancouriann@gmail.com - 2017-02-11 06:30 -0800
            Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 07:46 -0800
              Re: velocity and time dancouriann@gmail.com - 2017-02-11 09:41 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 10:43 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-11 11:51 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 12:13 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-11 14:36 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 21:31 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-11 21:52 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 07:11 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-12 08:38 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 10:10 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-12 10:42 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 16:28 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-12 17:30 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 23:15 -0800
                Re: velocity and time dancouriann@gmail.com - 2017-02-13 17:12 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 06:19 -0800
                Re: velocity and time "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-02-14 07:01 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 13:30 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-14 14:28 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 18:22 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-15 03:42 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 23:08 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-15 15:19 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-15 07:07 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 07:53 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 08:47 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 11:28 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 11:03 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-18 10:57 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 13:19 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-18 15:30 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 14:54 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-19 14:25 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 15:12 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-19 14:42 -0600
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-18 11:10 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 13:28 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-18 15:32 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 15:16 -0800
                Re: velocity and time mlwozniak@wp.pl - 2017-02-12 23:20 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-13 07:25 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-13 06:47 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-13 09:20 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-13 08:05 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-14 06:43 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 06:48 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-14 11:26 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-14 18:01 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-15 14:59 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-15 14:28 -0800
                Re: velocity and time Gary Harnagel <hitlong@yahoo.com> - 2017-02-15 20:19 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 00:24 -0800
                Re: velocity and time Gary Harnagel <hitlong@yahoo.com> - 2017-02-16 05:53 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 06:39 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-16 16:32 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 11:15 -0800
                Re: velocity and time Gary Harnagel <hitlong@yahoo.com> - 2017-02-16 08:07 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 11:08 -0800
                Re: velocity and time Gary Harnagel <hitlong@yahoo.com> - 2017-02-16 12:09 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-16 21:18 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 15:24 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 15:22 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-16 06:39 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 08:35 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 09:55 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 12:25 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 11:08 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 13:14 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 14:10 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-18 11:10 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 13:34 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-19 14:25 -0600
                Re: velocity and time Poutnik <poutnik4nntp@gmail.com> - 2017-02-18 09:55 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 06:32 -0800
                Re: velocity and time Poutnik <poutnik4nntp@gmail.com> - 2017-02-18 16:24 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 09:02 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-18 18:10 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 13:47 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-19 04:44 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-18 22:59 -0800
                Re: velocity and time Gary Harnagel <hitlong@yahoo.com> - 2017-02-19 04:51 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-19 07:30 -0800
                Re: velocity and time Gary Harnagel <hitlong@yahoo.com> - 2017-02-19 10:06 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-19 11:11 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-19 15:47 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-19 07:32 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-19 16:53 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-19 11:02 -0800
                Re: velocity and time Poutnik <poutnik4nntp@gmail.com> - 2017-02-18 18:36 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 10:50 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 13:17 -0600
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-17 13:19 -0600
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 14:11 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-17 21:01 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 14:13 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-18 00:35 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 18:55 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-18 04:09 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 21:09 -0800
                Re: velocity and time John Gogo <jfgogo22@yahoo.com> - 2017-02-17 18:35 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 19:01 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-18 04:13 +0100
                Re: velocity and time John Gogo <jfgogo22@yahoo.com> - 2017-02-17 18:37 -0800
                Re: velocity and time Python <python@python.invalid> - 2017-02-18 04:03 +0100
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-17 19:08 -0800
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-19 14:25 -0600
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-12 15:47 -0600
                Re: velocity and time Odd Bodkin <bodkinodd@gmail.com> - 2017-02-12 15:46 -0600
  Re: velocity and time Ed Lake <detect@newsguy.com> - 2017-02-11 07:46 -0800
    Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 07:55 -0800
      Re: velocity and time Ed Lake <detect@newsguy.com> - 2017-02-11 09:01 -0800
        Re: velocity and time Ed Lake <detect@newsguy.com> - 2017-02-11 09:08 -0800
        Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 10:31 -0800
          Re: velocity and time Ed Lake <detect@newsguy.com> - 2017-02-11 12:15 -0800
            Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 20:54 -0800
              Re: velocity and time Ed Lake <detect@newsguy.com> - 2017-02-12 08:51 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 10:12 -0800
                Re: velocity and time Ed Lake <detect@newsguy.com> - 2017-02-12 12:06 -0800
                Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 16:35 -0800
  Re: velocity and time numbernumber1964@gmail.com - 2017-02-11 15:04 -0800
    Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-11 21:46 -0800
  Re: velocity and time numbernumber1964@gmail.com - 2017-02-11 15:05 -0800
  Re: velocity and time numbernumber1964@gmail.com - 2017-02-12 11:31 -0800
    Re: velocity and time Robert Winn <rbwinn3@gmail.com> - 2017-02-12 16:31 -0800

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