On Sep 19, 3:31 pm, "Dirk Van de moortel"
> PD <TheDraperFamily@gmail.com> wrote in message
>  0f9a7dab-367e-4239-bcb5-6f5ebfdc972c@l43g2000hsh.googlegroups.com
>> On Sep 19, 1:33 pm, strich....@gmail.com wrote:
>>> On Sep 19, 2:00 pm, PD <TheDraperFam...@gmail.com> wrote:
>>> 
>>>> On Sep 19, 12:14 pm, strich....@gmail.com wrote:
>>> 
>>>>>>> Step 3: What happens to the time measured by clock E in its respective
>>>>>>> frame, when frame E starts to move with respect to M? According to
>>>>>>> SR, the observer at E will not know he moved, and will think that it
>>>>>>> is frame E that moved. Since the observer E observes no motion of
>>>>>>> himself*, does the rate of his clock change?
>>> 
>>>>>>> [*Invoking GR, assuming it is correct, only accounts for a short
>>>>>>> temporary change.]
>>> 
>>>> I've already told you. Step 3 is wrong. I've told you before Step 3 is
>>>> wrong. Why do you repeat things that are wrong?-
>>> 
>>> Good.
>>> 
>>> Let us review: clocks E and M at rest with one another. Clock rates
>>> are equal. When clock M moves, what happens then to its clock rate?
>>> 
>>> a) no change
>>> b) slow down
>>> c) speed up
>> 
>> In which frame?
> 
> Perhaps you should first ask what he means with "clock rate",
> *specially* in this particular case ;-)
> 
> Dirk Vdm

you need a dictionary?  look up clock...  then look up rate...

now back to the simple question that has you guys stumped...


Clocks E and M at rest with one another.  Clock rates are equal.  When
clock M moves, what happens then to its clock rate?

a) no change
b) slow down
c) speed up