### B10 #2958

, . $$\displaystyle P= m \left ( \frac{v^{2}}{L} - g \right )H$$, $$m$$ , $$v$$ - $$/$$, $$L$$ , $$g = 9,8 /^{2}$$ - . v , , $$39,2$$? $$/$$.

B10
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