Re: relativity of simultaneity
- From: "Eli Botkin" <elibotkin@xxxxxxxxxxxxx>
- Date: Thu, 14 Jul 2005 18:34:14 -0400
"gsax" <gaurav_iitg@xxxxxxxxx> wrote in message
news:1121317671.545507.314590@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Hi
>
> I am newbie to relativity..
> I have a question regarding simultaniety..
>
> If the Happeninng of an Event C( say lighting of a bulb), depended
> upon whether or not two events A & B occur simultaneously,...then does
> C happen or not ( since simultaneity is relative)..
>
> Let's say in frame 1, A & B occur simultaneously, then C happens ( The
> bulb lights up)..
>
> Also let's say in frame 2, A & B do not happen simultaneously, then C
> does not happen ( THe bulb does not light up)..
>
> But either the bulb lights up, or it does not,.. which is it?
>
> thanks
> Gaurav
>
Gaurav:
When you write "A & B occur simultaneously," this of course is frame
dependent. But the simultaneous arrival of their signals at C, to set it
off, is frame independent. So C will happen for all observers.
You're welcome
Eli
.
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