Oblicz wartosc sily, ktora spowodowała rozpedzenie samochodu o masie 1t do predkosci 20m/s w 2s
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m = 1 t = 1000 kg
v₀ = 0
v = 20 m/s
t = 2 s
szukane:
F = ?
F = m × a
ale:
a = Δv/t = v/t = 20m/s / 2s = 10 m/s²
F = 1000kg × 10m/s²
F = 10 000 N = 10 kN