Расчет: lK1D8u - 1

m* v^²

/ 2

=
e* E* l

m* v^²

/ 2

= e* E* l$$\frac{m\cdot v^{2}}{2}$$ = $$e\cdot E\cdot l$$

m* v^²

/ 2

= E* e* l$$\frac{m\cdot v^{2}}{2}$$ = $$E\cdot e\cdot l$$

m* v^² = 2* E* e* l$$m\cdot v^{2}$$ = $$2\cdot E\cdot e\cdot l$$

m =

2* E* e* l

/ v^²

$$m$$ = $$\frac{2\cdot E\cdot e\cdot l}{v^{2}}$$