Problema cu cionirea

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Nea...@gmail.com

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Feb 6, 2008, 9:29:51 AM2/6/08
to clasa9E
Era corecta rezolvarea acelei problema cu ciocnirea celor 2 bile ce v-
am trimiso acum cateva zile ?

Remus Neaga

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Feb 6, 2008, 9:38:42 AM2/6/08
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Nea...@gmail.com

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Feb 6, 2008, 4:21:12 PM2/6/08
to clasa9E
Ma interesa mai mult unde era gresita decat cum era corecta.
Am si eu rezolvarea in fatza

On Feb 6, 4:38 pm, Remus Neaga <neagare...@yahoo.com> wrote:
> ----- Original Message ----
> From: "Nea...@gmail.com" <Nea...@gmail.com>
> To: clasa9E <cla...@googlegroups.com>
> Sent: Wednesday, February 6, 2008 4:29:51 PM
> Subject: Problema cu cionirea
>
> Era
> corecta
> rezolvarea
> acelei
> problema
> cu
> ciocnirea
> celor
> 2
> bile
> ce
> v-
> am
> trimiso
> acum
> cateva
> zile
> ?
>
> nu-i corecta
> pe directia perpendiculara este 2*v2 - v1 asa cum am spus
>
> ____________________________________________________________________________________
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Neaga Remus

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Feb 6, 2008, 4:32:50 PM2/6/08
to cla...@googlegroups.com
daca ar fi asa cum zici tu ar insemna ca mingea intotdeauna se reflecta de perete chiar si cand peretele se misca in acelasi timp cu mingea cu o viteza egala cu jumate din viteza mingii
 Ori in acest caz n-ar mai fi posibil sa faci stop pe piept du mingea de exemplu, ceea ce in relatate este posibil.
  Teoria trebuie sa verifice realitatea si nu invers

ioana_di...@yahoo.com

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Feb 7, 2008, 12:49:06 PM2/7/08
to clasa9E
eu pot sa prind mingea cu mainile la handbal fara sa-mi sara din
maini, tragand imediat putin mana inapoi
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