R1=0.1 м R2=0.2 м d=0.1 м Т=?
J=Jo + m*b² по теореме Штерна
b=R2-R1
T=2*π*√(J/(m*d*g))
J=m*(R2²+(R2-R1)²)
T=√((R2²+(R2-R1)²)/(d*g))=√((0.2²+(0.2-0.1)²)/(0.1*10))≈1.4 c
R1=0.1 м R2=0.2 м d=0.1 м Т=?
J=Jo + m*b² по теореме Штерна
b=R2-R1
T=2*π*√(J/(m*d*g))
J=m*(R2²+(R2-R1)²)
T=√((R2²+(R2-R1)²)/(d*g))=√((0.2²+(0.2-0.1)²)/(0.1*10))≈1.4 c