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Negruserandu12
a fost răspuns

delta L1=3 cm
delta L2=5cm

m1=? m2 = 100 g


K=?

Răspuns :

KostelMD

m2=0,1kg

Δl1=0,03m

Δl2=0,05m

___________

m1-?

k-?


k=m2g/Δl2=1/0,05=20N/m

m1=Δl1*k/g=0,03*20/10=0,06kg

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