Frank Wappler · @MisterRelativity
14 followers · 49 posts · Server mathstodon.xyz
yeti · @yeti
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Frank Wappler · @MisterRelativity
8 followers · 18 posts · Server mathstodon.xyz

@Dziadek @ben_crowell_fullerton
Dziadek Mick wrote:
> <em> Speed = Distance/Time </em>

(Average) Speed (of a projectile wrt. a RaceTrackSystem) :=
Distance between StartMark and FinishMark /
Duration of the RaceTrackSystem being occupied by the projectile

> <em> [...] SpaceTime Distance [...] </em>

The "technical term" is [](duckduckgo.com/?q=%22Lorentzia)
\(\ell : \mathcal S \times \mathcal S \rightarrow (\mathbb R_{(0+)} \, \cup \, \infty) \times \text{DurationUnit}\)

#lorentziandistance

Last updated 2 years ago

Frank Wappler · @MisterRelativity
8 followers · 18 posts · Server mathstodon.xyz

@ben_crowell_fullerton
Ben Crowell wrote:
> <em> ... &#187;we all move through at &#171;. Is this true? </em>
> <em> Short answer: no. </em>

That's much to do with what we mean by (how we define = measure) "".

Even better ask: What's a common description of all sets of events in which "we all" (individually) took part ?

> <em> [the long answer](bcrowell.github.io/moving_thro) </em>

There's no mentioning of [[]] [[]] [[]] ...

#syngeworldfunction #lorentziandistance #duration #speed #lightspeed #spacetime

Last updated 2 years ago