"Paul B. Andersen" <paul.b.andersen@guesswhatuia.no> wrote in message
news:4A1D9434.6080109@guesswhatuia.no...
> Peter Riedt wrote:
>> On May 27, 3:30 am, "Paul B. Andersen"
>> <paul.b.ander...@guesswhatuia.no> wrote:
>>> Peter Riedt wrote:
>>>> Androcles, excellent and comprehensive derivation resulting in the
>>>> answer 1=1.
>>>> To which I like to add, if we add the speed of light to any other
>>>> speed up to 300000km/sec, the answer is always 300000km/sec but if we
>>>> subtract the speed of an object from the speed of light using the
>>>> formula(c-v)/(1+c*v/c^2)[negative closing speed as in source and
>>>> target approaching each other] the result is less than c-v e.g.
>>>> for 300000km/sec-30km/sec the composite speed is not 299970km/sec but
>>>> 299940.006km/sec. However if both c and v are 300000km/sec, they
>>>> approach each other at a whopping c-v = 0km/sec!
>>>> Peter Riedt
>>>
>>> The correct formula is: (c-v)/(1-c*v/c^2) = c
>>> 
>>> --
>>> Paul
>>> 
>>> http://home.c2i.net/pb_andersen/
>> 
>> Paul, agreed.
>> (300000-300000)/(1-300000*300000/300000*300000)=0
> 
> No.
> 
> 0/0 is undetermined, it's not zero
> 
> But lim[(c-v)/(1-c*v/c^2)] = c when v -> c
> 
> Note that the "speed addition formula" is a misnomer,
> it is a speed tranformation formula.
> If the speed of an object is u in an inertial frame K,
> then this speed transforms to w in a frame K' which is
> moving with the speed v relative to K, where
> w = (u+v)/(1+u*v/c^2)
> 
> The 'object' can be light (or a photon) and thus u = c,
> but the speed of frame K' relative to frame K cannot be c,
> so both u and v can never both be c.
> v can however be arbitrary close to c, so the speed c
> will always transform to c for all v.
> 
> 
> --
> Paul

Bwahahahaha!
So much fun to see you squirming with simple algebra, Tusseladd,
and how you hope to take a limit!

"lim[(c-v)/(1-c*v/c^2)] = c when v -> c ".. ahahahahahahaha!
Pity a spreadsheet doesn't agree with you!

But then, you are proven liar as well as a idiot, anyway.
  http://www.androcles01.pwp.blueyonder.co.uk/E%5E2/DeriveMC2.htm