[tex]dane:\\F_{w} = 8 \ 000 \ N\\a = 4\frac{m}{s^{2}}\\szukane:\\m = ?\\\\Z \ II \ zasady \ dynamiki\\\\a = \frac{F_{w}}{m} \ \ \rightarrow \ \ m = \frac{F_{w}}{a}\\\\m = \frac{8000 \ N}{4\frac{m}{s^{2}}} = \frac{8000 \ kg\cdot\frac{m}{s^{2}}}{4\frac{m}{s^{2}}} = 2 \ 000 \ kg = 2 \ t[/tex]
Odp. Masa tego samochodu wynosi 4 000 kg (4 t).