Re: speed distance & time

[David Johnson <trainman@ozemail.com.au>]

"<==MeČ==>" wrote:

> i am just writing to ask about a mathematical formula.
> i am trying to work out how fast an object travels and the other part (i
> think if its done backwards it tells you how long it took), but im not to
> sure how it goes i know that Speed Time and Distance is involved.

I have no idea what you are trying to work out, but to keep it on a railway
theme, if you time a train over 1 km, you can use the following formula:

Speed = 1 / seconds * 3600
so, for 38.30 seconds over a kilometre,

Speed = 1 / 38.30 * 3600
      = 94 km/h.


--
David Johnson
trainman@ozemail.com.au
http://www.ozemail.com.au/~trainman/
------------------------------------
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C.O.W.S. Page 11.