18m = a * (5s)² / 2
36m = a * 25s²
a = 36/25 m/s²
s₂ = 36/25m/s² (7s)² / 2 = 35.28m
odp. przyspieszenie wynosi a= 36/25 m/s², a droga przebyta w ciagu 7 sekund s₂= 35.28m
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18m = a * (5s)² / 2
36m = a * 25s²
a = 36/25 m/s²
s₂ = 36/25m/s² (7s)² / 2 = 35.28m
odp. przyspieszenie wynosi a= 36/25 m/s², a droga przebyta w ciagu 7 sekund s₂= 35.28m