Odpowiedź :
[tex]Dane:\\s = 5 \ km = 5 \ 000 \ m\\v = 5\frac{m}{s}\\Szukane:\\t = ?\\\\t = \frac{s}{v}\\\\t = \frac{5000 \ m}{5\frac{m}{s}}\\\\\boxed{t = 1000 \ s = 16 \ min \ i \ 40 \ s}[/tex]
[tex](1 \ min = 60 \ s)[/tex]
[tex]Dane:\\s = 5 \ km = 5 \ 000 \ m\\v = 5\frac{m}{s}\\Szukane:\\t = ?\\\\t = \frac{s}{v}\\\\t = \frac{5000 \ m}{5\frac{m}{s}}\\\\\boxed{t = 1000 \ s = 16 \ min \ i \ 40 \ s}[/tex]
[tex](1 \ min = 60 \ s)[/tex]