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forțe

by Vasile Crisan
(Cluj Napoca)

Pentru ELEVI
Să se calculeze constanta elastică a unui resort format din două resorturi de constante elastice diferite k_1 și k_2 legate
a)in serie respectiv b) în paralel.

Pentru STUDENTI
Ce diferente exista intre figurile de difractie in raze X obtinute pentru retelele cubic simplu, cub cu volum centrat si cub cu fete centrate.