Odpowiedź :
[tex]Dane:\\v = 90\frac{km}{h}\\t = 5 \ min = \frac{5}{60} \ h = \frac{1}{12} \ h\\Szukane:\\s = ?\\\\s = v\cdot t\\\\s = 90\frac{km}{h}\cdot\frac{1}{12} \ h\\\\\boxed{s = 7,5 \ km}[/tex]
[tex]Dane:\\v = 90\frac{km}{h}\\t = 5 \ min = \frac{5}{60} \ h = \frac{1}{12} \ h\\Szukane:\\s = ?\\\\s = v\cdot t\\\\s = 90\frac{km}{h}\cdot\frac{1}{12} \ h\\\\\boxed{s = 7,5 \ km}[/tex]