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Vp=250 km h
deltaVk=Vk-Vp=340 km h-250 km h=90 km h =25 m s
a=?
a=90m s/20s=4,5 m/s2
zmiana v = 340 - 250 = 90 km/h
90 km/h = 90 *1000/ 3600 m/s = 25 m/s
a = 25 m/s / 20 s = 1,25 m/s kwadrat
przyśpieszenie wynosiło 1,25 m/s 2