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V1=54km/f
V2= 108km/h
delta t =10s
szukane a=?
delta V= 108-54= 54km/h= 15m/s
a=delta V/delta t
a= 15m/s / 10s = 1,5m/s^
V1=108 km/h = 30m/s
V2=54km/h= 15m/s
Szukane:
a=?
a=Vw/t
Vw=V1-V1
Vw=30-15=15m/s
a=15/10 m/s²
a=1,5 m/s²