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On Fri, 21 Mar 2008 17:14:52 +0200, "Gail Shaw"
<initialsurname@sentech sa dot com> wrote:
>
>"St." <dot### [at] dotcom> wrote in message news:47e3be7e$1@news.povray.org...
>>
>
>> Well, ok, but what if the back springs were just rewound by the drive of
>> forward motion (and not from the front two springs) anyway?
>
>You'd still get less energy (a lot less) back into the spring. Basically
>
>Energy from unwinding spring = energy converted into forward motion + energy
>stored back in spring + energy converted to heat.
>(or in physics terms)
>Energy added to system = Delta (kinetic energy) + Delta(potential energy) +
>heat
>
He is pulling your leg :)
Unless St thinks that the world is flat (and if it is, where are you
then?) then he is seeing how long it would take for you to cotton on.
--
Regards
Stephen
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