[tex]dane:\\v_{o} = 0\\t = 6 \ s\\v = 108\frac{km}{h} = 108\cdot\frac{1000 \ m}{3600 \ s} =30\frac{m}{s}\\szukane:\\a = ?\\s = ?[/tex]
Rozwiązanie
Przyspieszenie a:
[tex]a = \frac{\Delta v}{t} = \frac{v-v_{o}}{t} = \frac{v}{t}\\\\a = \frac{30\frac{m}{s}}{6 \ s} = 5\frac{m}{s^{2}}[/tex]
Droga s:
[tex]s = \frac{1}{2}at^{2}}\\\\s = \frac{1}{2}\cdot5\frac{m}{s^{2}}\cdot(6 \ s)^{2}\\\\s = 90 \ m[/tex]
