Расчет: eUwVtf - 1

F =

k* q1* q2

/ r^²

F =

k* q1* q2

/ r^²

$F$ = $\frac{k\cdot q1\cdot q2}{r^{2}}$

k* q1* q2

/ r^²

= F $\frac{k\cdot q1\cdot q2}{r^{2}}$ = $F$

/ r^²

/ k/ q1/ q2

$\frac{1}{r^{2}}$ = $\frac{F}{k\cdot q1\cdot q2}$

r = saknis(

k* q1* q2

/ F

) $r$ = $\sqrt {\frac{k\cdot q1\cdot q2}{F}}$

r = saknis(

9* ×10^⁹* (-19)* (-19)

/ 14

) $r$ = $\sqrt {\frac{9\cdot ×10^{9}\cdot (-19)\cdot (-19)}{14}}$

r = saknis(

9* ×10^⁹* (- 1.9* 10)* (-19)

/ 14

) $r$ = $\sqrt {\frac{9\cdot ×10^{9}\cdot (-1.9\cdot 10)\cdot (-19)}{14}}$

r = saknis(

9* ×10^⁹* 1.9* (0.52631578947368-10)* (-19)

/ 14

) $r$ = $\sqrt {\frac{9\cdot ×10^{9}\cdot 1.9\cdot (0.52631578947368-10)\cdot (-19)}{14}}$

r = saknis(

9* ×10^⁹* 1.9* (0.52631578947368-10)* (- 1.9* 10)

/ 14

) $r$ = $\sqrt {\frac{9\cdot ×10^{9}\cdot 1.9\cdot (0.52631578947368-10)\cdot (-1.9\cdot 10)}{14}}$

r = saknis(

9* ×10^⁹* 1.9* (0.52631578947368-10)* 1.9* (0.52631578947368-10)

/ 14

) $r$ = $\sqrt {\frac{9\cdot ×10^{9}\cdot 1.9\cdot (0.52631578947368-10)\cdot 1.9\cdot (0.52631578947368-10)}{14}}$

r = saknis(

2.3207142857143* ×10^⁹* (0.52631578947368-10)* (0.52631578947368-10)) $r$ = $\sqrt {2.3207142857143\cdot ×10^{9}\cdot (0.52631578947368-10)\cdot (0.52631578947368-10)}$

r = saknis(

2.3207142857143* ×10^⁹* (0.52631578947368-10)^²) $r$ = $\sqrt {2.3207142857143\cdot ×10^{9}\cdot (0.52631578947368-10)^{2}}$

r = saknis(

2.0828571428571* 10^²* ×10^⁹) $r$ = $\sqrt {2.0828571428571\cdot 10^{2}\cdot ×10^{9}}$

r = saknis(

2.0828571* 10^²* ×10^⁹) $r$ = $\sqrt {2.0828571\cdot 10^{2}\cdot ×10^{9}}$

r = ( 1.44321* 10* ×10^⁴* saknis(

×10)) $r$ = $(1.44321\cdot 10\cdot ×10^{4}\cdot \sqrt {×10})$

r = 1.44321* 10* ×10^⁴* saknis(

×10) $r$ = $1.44321\cdot 10\cdot ×10^{4}\cdot \sqrt {×10}$