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Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do

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On 25/02/2018 4:58 PM, mitchrae3323@gmail.com wrote:
> On Saturday, February 24, 2018 at 9:51:02 PM UTC-8, Sylvia Else wrote:
>> On 25/02/2018 4:15 PM, mitchrae3323@gmail.com wrote:
>>> On Saturday, February 24, 2018 at 8:16:34 PM UTC-8, Sylvia Else wrote:
>>>> On 25/02/2018 12:41 PM, mitchrae3323@gmail.com wrote:
>>>>> On Saturday, February 24, 2018 at 5:24:56 PM UTC-8, Sylvia Else wrote:
>>>>>> On 25/02/2018 11:06 AM, mitchrae3323@gmail.com wrote:
>>>>>>> On Saturday, February 24, 2018 at 3:59:46 PM UTC-8, Sylvia Else wrote:
>>>>>>>> On 25/02/2018 10:53 AM, mitchrae3323@gmail.com wrote:
>>>>>>>>> Addition of velocities remaining below light speed are clearly understood when moving toward each other at near the speed of light; but what about moving away? That gives subtractions of velocities remaining below the speed light.
>>>>>>>>> This is an until now unrecognized flip side of relativity.
>>>>>>>>>
>>>>>>>>> Mitchell Raemsch
>>>>>>>>>
>>>>>>>>
>>>>>>>> It's already covered by the same formula.
>>>>>>>>
>>>>>>>> Sylvia.
>>>>>>>
>>>>>>> It should be.
>>>>>>> But where is it used? There is a difference between
>>>>>>> toward and away...
>>>>>>>
>>>>>>> Mitchell Raemsch
>>>>>>>
>>>>>>
>>>>>> It's used where the situation demands. Just change the sign of one of
>>>>>> the velocities.
>>>>>>
>>>>>> Sylvia.
>>>>>
>>>>> How do you define the situation?
>>>>> That is not how it works.
>>>>> How do you define the velocities as positive
>>>>> when they are subtracting?
>>>>> Why would it?
>>>>>
>>>>> Mitchell Raemsch
>>>>>
>>>>
>>>> The sign of the velocity is a convention. If the velocities are in the
>>>> same direction then they're both deemed positive, and the (inevitably
>>>> positive) result is for a velocity in the same direction.
>>>>
>>>> If the two velocities are in opposite directions, then you choose one of
>>>> them to be deemed positive, and the other negative. If the result is
>>>> positive, then the resulting velocity is in the direction of the
>>>> velocity deemed positive. Otherwise it's in the opposite direction.
>>>>
>>>> Sylvia.
>>>
>>> Oh really?
>>> Then science has got that wrong...
>>> BOTH speeds have been subtracted from
>>> and remain below the speed of light.
>>> What you are saying is what I never believed.
>>> I will stay with this my own math understanding
>>> if you agree to disagree?
>>>
>>> Mitchell Raemsch
>>>
>>>
>>
>> I disagree that we should agree to disagree. The relativistic math is
>> right. Your conviction that it's not is a delusion.
>>
>> Sylvia.
> 
> I don't believe your math. How are you going to take
> mine from me Sylvia? Don't go there you won't win
> the argument all of the way.
> 

The derivation of the formula works whether the velocities are in the 
same direction, or in opposite directions. The only way you could arrive 
at a different formula is if you got it wrong.

Sylvia.

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More Relativity; Subtraction of velocities keeping below light speed; as Additions do mitchrae3323@gmail.com - 2018-02-24 15:53 -0800
  Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do Sylvia Else <sylvia@not.at.this.address> - 2018-02-25 10:59 +1100
    Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do mitchrae3323@gmail.com - 2018-02-24 16:06 -0800
      Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do Sylvia Else <sylvia@not.at.this.address> - 2018-02-25 12:24 +1100
        Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do mitchrae3323@gmail.com - 2018-02-24 17:41 -0800
          Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do Sylvia Else <sylvia@not.at.this.address> - 2018-02-25 15:16 +1100
            Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do mitchrae3323@gmail.com - 2018-02-24 21:15 -0800
              Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do Sylvia Else <sylvia@not.at.this.address> - 2018-02-25 16:50 +1100
                Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do mitchrae3323@gmail.com - 2018-02-24 21:58 -0800
                Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do Sylvia Else <sylvia@not.at.this.address> - 2018-02-25 19:18 +1100
                Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do mitchrae3323@gmail.com - 2018-02-25 15:02 -0800
              Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do pnalsing@gmail.com - 2018-02-24 22:08 -0800
  Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do David Waite <waitedavid1618@yahoo.com> - 2018-02-24 22:06 -0800

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