oblicz częstotliwosc drgań wahadeł o długości l=100 cm i l-400 cm

[latex]T=2pisqrt{frac{l}{g}}[/latex] l1=100cm=1m l2=400cm=4m g=10 m/s^2   [latex]T_1=2pisqrt{frac{1}{10}}=2*3,14*0,316=1,98s[/latex] [latex]T_2=2pisqrt{frac{4}{10}}=2*3,14*0,632=3,97s[/latex]   [latex]f_1=frac{1}{T_1}=frac{1}{1,98}=0,505 Hz[/latex] [latex]f_2=frac{1}{T_2}=frac{1}{3,97}=0,252 Hz[/latex]

l₁=100cm=1m l₂=400cm=4m [latex]]\ gapprox 10m/s^2\\ T=2pisqrt{frac{l}{g}}\\ T=2pisqrt{frac{1m}{10m/s^2}}\\ T=6,28 cdot 0,32s\\ Tapprox 2s\\ f=frac{1}{T}\\ f=frac{1}{2s}\\ f=0,5Hz[/latex]   [latex]\T=2pisqrt{frac{l}{g}}\\ T=2pisqrt{frac{4m}{10m/s^2}}\\ T=6,28 cdot 0,63s \\ Tapprox 4s\\ f=frac{1}{T}\\ f=frac{1}{4s}\\ f=0,25Hz[/latex]