l0=l1+l2
k0.l0=k1.l1=k2.l2
1N/cm=0,01N/m
k0.l0=k1.l1\(\Rightarrow\)l1=\(\dfrac{l_0}{20000}\)\(\Rightarrow\)2000l1=l0
\(\Rightarrow\)l2=l0-l1=19999ll\(\Rightarrow\)k2.19999l1=k1.l1\(\Rightarrow\)k2=\(\dfrac{200}{19999}\)N/m
k2.l2=k1.ll\(\Rightarrow\)k2.19999.l0=k0.l0\(\Rightarrow\)