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| rev | Admin | (Created page with "'''Solution: E''' <math display = "block"> \begin{array}{l}{{P_{x}=F r a_{\overline{40}|}+Cv^{40}=75a_{\overline{40}|}+Cv^{40}}}\\ {{P_{y}=P_{X}-257.18=60a_{\overline{40}|}+(C+K)v^{40}}}\\ {{P_{x}-P_{y}-257.18=15a_{\overline{40}|}-Kv^{40}}} \\ {{Kv^{40}=15a_{\overline{40}|}-257.18}}\\ {{K(0.2525772)=320.33-257.18}}\\ {{K=250.01}} \end{array} </math> {{soacopyright | 2023 }}") | Nov 19'23 at 21:58 | +383 |