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v=90 km/h = 25 m/s
a=Δv/t [m/s²]
s=½*a*t² [m]
s=½*Δv*t=½*25*15 = 187.5 [m]
mam nadzieję, że pomogłam : )
t=15 [s]
v=90 km/h trzeba zamienic na metry na sekunde czyli 90*1000m/3600s=25m/s
a=Δv/t [m/s²]
s=½*a*t² [m]
s=½*Δv*t=½*25*15 = 187.5 [m]