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