N=45;
t=1 мин=60 c;
T=t/N=60/45=4/3 c
m/k=T^2/(4*pi^2)=(4/3)^2/(39,4)~0,0451; k~m/0,0451~110,8 (Н/м)
N=45;
t=1 мин=60 c;
T=t/N=60/45=4/3 c
m/k=T^2/(4*pi^2)=(4/3)^2/(39,4)~0,0451; k~m/0,0451~110,8 (Н/м)