c)
[tex]s = \frac{at^{2}}{2} \ \ /\cdot2\\\\at^{2} = 2s \ \ /:t^{2}\\\\\underline{a = \frac{2s}{t^{2}}}\\\\Z: \ a,t,s > 0[/tex]
f)
[tex]\frac{T_1}{V_1} = \frac{T_2}{V_2} \ \ /\cdot V_1V_2\\\\T_2\cdot V_1 =T_1\cdot V_2 \ \ /:V_1\\\\\underline{T_2 = \frac{T_1\cdot V_2}{V_1}}\\\\\\T_2\cdot V_1 = T_1\cdot V_2 \ \ /:T_1\\\\\underline{V_2 = \frac{T_2\cdot V_1}{T_1}}\\\\Z: \ T_1, T_2, V_1, V_2 > 0[/tex]
