[tex]a = \frac{100N}{100kg} =1 \frac{m}{ {s}^{2} } [/tex]
[tex]s = \frac{ {v}^{2} }{2a} | \times 2a \\ {v}^{2} = s \times 2a[/tex]
[tex] {v}^{2} = 4.5m \times 2 \frac{m}{ {s}^{2} } = 9 \\ v = 3 \frac{m}{s} [/tex]
[tex]a = \frac{v}{t} \\ \\ t = \frac{v}{a} [/tex]
[tex]t = \frac{3 \frac{m}{s} }{1 \frac{m}{ {s}^{2} } } = 3s[/tex]
Odp. Pojazd hamował 3s.
