Odpowiedź :
[tex]s = 1020 \ m\\v = 340\frac{m}{s}\\\\s = v\cdot t \ \ /:v\\\\t = \frac{s}{v}\\\\t = \frac{1020 \ m}{340\frac{m}{s}}\\\\t = 3 \ s[/tex]
[tex]s = 1020 \ m\\v = 340\frac{m}{s}\\\\s = v\cdot t \ \ /:v\\\\t = \frac{s}{v}\\\\t = \frac{1020 \ m}{340\frac{m}{s}}\\\\t = 3 \ s[/tex]