Dane
[tex]v =100 \frac{km}{h} \\ \\ s = 100m = 0.1km[/tex]
Szukane
t = ?
Wzór
[tex]v = \frac{s}{t} | \times t \\ \\ s = v \times t | \div v \\ \\ t = \frac{s}{v} [/tex]
Obliczenia
[tex]t = \frac{0.1 \not km}{100 \frac{ \not km}{h} } = 0.001h = 0.06min = \boxed{ 3.6s}[/tex]