[tex]L = I \omega = m r ^2 \omega = m r v = r m v\\\\r = promien=12cm=0,12m\\T=okres=0,2 \pi s\\m=masa=1g=0,001kg\\v = predkosc~liniowa=\frac{2\pi r}{T} = \frac{2\pi*0,12m}{0,2 \pi s} = \frac{2*0,12m}{0,2s}=1,2\frac{m}{s}[/tex]
[tex]L = r m v = \frac{2 \pi mr^2}{T}= 0,12m*0,001kg*1,2\frac{m}{s} = 0,000144[/tex] [tex]\frac{kg*m^2}{s}[/tex]
