![image](https://tex.z-dn.net/?f=a%3D%5Cfrac%7Bv%5E2%7D%7BR%7D%3D%3ER%3D%5Cfrac%7Bv%5E2%7D%7Ba%7D%3D%5Cfrac%7B400%7D%7B5%7D%3D80)
R=\frac{v^2}{a}=\frac{400}{5}=80" alt="a=\frac{v^2}{R}=>R=\frac{v^2}{a}=\frac{400}{5}=80" align="absmiddle" class="latex-formula"> (м)
![image](https://tex.z-dn.net/?f=v%3D%5Comega+R%3D%3E%5Comega%3D%5Cfrac%7Bv%7D%7BR%7D%3D%5Cfrac%7B20%7D%7B80%7D%3D0%2C25)
\omega=\frac{v}{R}=\frac{20}{80}=0,25" alt="v=\omega R=>\omega=\frac{v}{R}=\frac{20}{80}=0,25" align="absmiddle" class="latex-formula"> (рад/с)