[tex]v_{o} = 20\frac{m}{s}\\t = 5 \ s\\v=0\frac{m}{s}\\m = 1 \ 500 \ kg\\Szukane:\\F = ?\\\\Rozwiazanie\\\\F = m\cdot a\\\\a = \frac{\Delta v}{t} =\frac{v_{o}-v}{t} = \frac{v_{o}}{t} = \frac{20\frac{m}{s}}{5 \ s} = 4\frac{m}{s^{2}}\\\\F = 1500 \ kg \cdot4\frac{m}{s^{2}}\\\\\boxed{F = 6 \ 000 \ N = 6 \ kN}[/tex]
Odp. Siła hamowania ma wartość 6 000 N (6 kN).
