1 line
52 B
TeX
1 line
52 B
TeX
L=\frac{1}{2}m(\dot{r}^2+r^2\dot{\phi}^2+\dot{z}^2)
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L=\frac{1}{2}m(\dot{r}^2+r^2\dot{\phi}^2+\dot{z}^2)
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