[tex]Dane:\\v = 120\frac{m}{s} =120\cdot\frac{\frac{1}{1000}km}{\frac{1}{3600}h} = 120\cdot3,6\frac{km}{h}=432\frac{km}{h}\\t = 18 \ h\\Szukane:\\s = ?\\\\Rozwiazanie\\\\s = v\cdot t\\\\s = 432\frac{km}{h}\cdot18 \ h\\\\\boxed{s = 7 \ 776 \ km}[/tex]
