Re: oggetti rotanti!

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From: Paolo <fpNO_ALLO_SPAMbox_at_tiscali.it>
Date: Wed, 04 Jan 2006 09:45:29 +0100

Paolo ha scritto:
> portandolo dalla misura r alla misura (r/2) il momento angolare L=Iw si
> conserva (chiedo venia se uso w per indicare la velocit� angolare
> omega), quindi I0w0=I1w1, e quindi mr^2*w0=m(r/2)^2*w1 ma l'energia
> cinetica 1/2Iw^2 aumenta di 16 volte!
Scusa, 4 volte!
Received on Wed Jan 04 2006 - 09:45:29 CET

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