Odpowiedź :
[tex]dane:\\\Delta v = 7\frac{m}{s}\\t = 4 \ s\\szukane:\\a = ?\\\\a = \frac{\Delta v}{t}\\\\a = \frac{7\frac{m}{s}}{4 \ s}\\\\a = 1,75\frac{m}{s^{2}}[/tex]
[tex]dane:\\\Delta v = 7\frac{m}{s}\\t = 4 \ s\\szukane:\\a = ?\\\\a = \frac{\Delta v}{t}\\\\a = \frac{7\frac{m}{s}}{4 \ s}\\\\a = 1,75\frac{m}{s^{2}}[/tex]