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F=7,3 N
d=49 cm
Lm=?

F=6,8N
d=35 cm
Lm=?



Formula: Lm =F×d

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Răspuns :

Lm=7,3 N x 49 cm =357.7 N/cm
Lm=
6,8N x 35 cm = 238 N/cm