Question

2 . 155


Cineva urgentt ??

Answer 1

m=10.5grame=10.5*10^(-3)Kg

V=1cmc=10^(-6)mc

a. Densitate

ro=m/V=10.5*10^(-3)/10^(-6)=10.5*1000=10500Kg/mc

ro=10500Kg/m^3

b. G=m*g=10.5*10^(-3)*10=0.105N

G=0.105N

c. G=k*x

0.105=100*x

x=0.105/100m=1.05*10^(-3)m

x=1.05mm