Дано:



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Найти: 
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Решение. По второму закону Ньютона выразим массу, зная значения
и
:

Зная массу найдём силу
через второй закон Ньютона:

Определим значение искомой величины:
![[F_{2}] = \dfrac{\text{H} \ \cdotp _\text{M} \ \cdotp \text{c}^{2}}{_\text{M} \ \cdotp \text{c}^{2}} = \text{H} [F_{2}] = \dfrac{\text{H} \ \cdotp _\text{M} \ \cdotp \text{c}^{2}}{_\text{M} \ \cdotp \text{c}^{2}} = \text{H}](https://tex.z-dn.net/?f=%5BF_%7B2%7D%5D%20%3D%20%5Cdfrac%7B%5Ctext%7BH%7D%20%5C%20%5Ccdotp%20_%5Ctext%7BM%7D%20%5C%20%5Ccdotp%20%5Ctext%7Bc%7D%5E%7B2%7D%7D%7B_%5Ctext%7BM%7D%20%5C%20%5Ccdotp%20%5Ctext%7Bc%7D%5E%7B2%7D%7D%20%3D%20%5Ctext%7BH%7D)

===========================
Ответ: 