v₁ = 5m/s v₂ = 108km/h = 30m/s Δv = 25m/s t = 15min = 900s a = Δv/t a = 25m/s/900s ≈ 0,03ms⁻² ---------------------------------------------------------------------------------------------------- Litterarum radices amarae sunt, fructus iucundiores Pozdrawiam :)
Dane: [latex]V_{0}=5frac{m}{s}[/latex] [latex]V_{k}=108frac{km}{h}[/latex] [latex]t=15min[/latex] Szukane: [latex]a=?[/latex] Obliczenia: [latex]15min=15*60s=900s[/latex] [latex]108frac{km}{h}=108:3,6=30frac{m}{s}[/latex] [latex]a=frac{V_{k}-V_{0}}{t}[/latex] [latex]a=frac{30frac{m}{s}-5frac{m}{s}}{900s}[/latex] [latex]a=frac{25frac{m}{s}}{900s}approx0,028frac{m}{s^{2}}[/latex]
