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Cum il scot pe [tex] c_{2} [/tex]?Va rog
[tex] m_{3} c_{2}( T_{3} - T) = m_{1} c_{1} + m_{2} c_{2} (T- T_{1} )[/tex]
[tex] c_{2}=? [/tex]


Răspuns :

[tex]\displaystyle m_3\times c_2\times(T_3-T)=m_1\times c_1+m_2\times c_2\times(T-T_1)\\ \\ m_3\times c_2\times(T_3-T)-m_2\times c_2\times(T-T_1)=m_1\times c_1\\ \\ c_2\times[m_3\times(T_3-T)-m_2\times(T-T_1)]=m_1\times c_1\\ \\ c_2\times[m_3\times(T_3-T)+m_2\times(T_1-T)]=m_1\times c_1\\ \\ c_2=\frac{m_1\times c_1}{m_3\times(T_3-T)+m_2\times(T_1-T)}[/tex]