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Groups > sci.physics.relativity > #450766
| From | Sylvia Else <sylvia@not.at.this.address> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: More Relativity; Subtraction of velocities keeping below light speed; as Additions do |
| Date | 2018-02-25 16:50 +1100 |
| Message-ID | <fff163Fij89U1@mid.individual.net> (permalink) |
| References | (2 earlier) <b06bc958-5ed1-4c41-946e-e00365c27ace@googlegroups.com> <ffehj4Ffj8aU1@mid.individual.net> <411115bb-8700-4ddb-a2ab-93060d1b690f@googlegroups.com> <fferkvFhgmpU1@mid.individual.net> <1551cfb4-8bfc-4bc6-9fab-0041630f0918@googlegroups.com> |
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.
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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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