Re: Another Rotating Cylinder Problem - explain from moving frame view


"Martin Hogbin" <goatREMOVETHIS123@xxxxxxxxxx> wrote in message news:tNmdnXZlkZ0mo9rZnZ2dnUVZ8qqdnZ2d@xxxxxxxxx
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| "Hexenmeister" <vanquish@xxxxxxxxxxxxxx> wrote in message news:_%z1g.293354$zk4.223830@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
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| "Martin Hogbin" <goatREMOVETHIS123@xxxxxxxxxx> wrote in message news:JsidnXWDaLvcBNvZnZ2dnUVZ8tydnZ2d@xxxxxxxxx
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|| [Androcles]
|| You really are a stupid ***. You honestly cannot tell me how
|| you would measure the speed of anything.
||
|| [Hogbin]
||
|| No progress on the physics then?
|
| 0/0 for humour, 0/0 for physics.
|
| You start a clock (tA) as the train leaves the station (A) and wait for it to return
| to the station (A) and stop the clock (t'A).
| The round trip time gives the speed, 2AB/(t'A-tA) = v.
| Every relativist *** who licks Einstein's *** knows this is the
| correct way to measure speed.
|
| You really are a stupid whore. You honestly cannot tell me how
| you would measure the speed of anything.
|
| Offensiveness 3/10 but still 1/10 for physics.
|
| It is not a trick question.
Yes it is. 10/10 for lying.

| I am simply asking
| how _you_ would measure the speed of a train.

All speeds are relative.
If I'm riding the train I wouldn't bother, the answer is trivially zero.

Otherwise v = dx/dt and the speed is |v|.
What precision will you pay for?
Androcles.


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