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ale82info
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esercizi...

Chi sta preparando fisica? aiutiamoci un po' qui...

Qualcuno mi spiega chiaramente l'esercizio 1?!?!

http://lxmi.mi.infn.it/~camera/Info...ol_23_09_05.pdf

grazie

26-10-2005 10:04
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ShutDown
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Re: esercizi...

Originally posted by ale82info
Qualcuno mi spiega chiaramente l'esercizio 1?!?!


Io normalmente faccio cosi' (non e' stilisticamente bello, ma si rischia meno di sbagliare):

DIMENSIONI E UNITA' DI B:

Il campo magnetico e' misurato in Tesla, quindi
code:
N Kg m 1 Kg T = ------- = ------- . -------- = -------- A m s^2 (C/s) m A s^2 ^ qui semplifichi ^



Per quanto riguarda le dimensioni di Z, fai la stessa cosa, per ogni unita' derivata specifichi l'unita' equivalente, poi semplifichi e trovi l'unita' di misura di Z:
code:
N m^2 1 1 1 1 s^3 Z = ------- . ------- . s . ------- . ----------- . ------- = ------------------ = -------- A m s^2 N/C (N m) / C (C/s) (Kg m) / (s^2 s) Kg m ^ semplifichi ^ ^ trasformi N ^ | nell'unita' eq |


Se non ti ricordi l'unita' equivalente delle grandezze derivate, c'e' un elenco nell'appendice A del libro...

Spero di non aver peggiorato le cose :D

26-10-2005 11:56
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