Electron orbit
$$\frac{m\cdot v^{2}}{r} = \frac{e^{2}}{4\cdot \pi\cdot \varepsilon0\cdot r^{2}}$$
m - mass
v - speed (velocity)
r - radius
e - electron charge
ε0 - permittivity constant
v - speed (velocity)
r - radius
e - electron charge
ε0 - permittivity constant
Find
It is known that:
= 