Розрахунок: LS08yU - 1

m* v^²

/ 2

=
e* U

m* v^²

/ 2

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

m* v^²

/ 2

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

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

m =

2* U* e

/ v^²

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