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F=15N
t=3s
a= F/m
a=15/10= 1.5 [m/s²]
a=ΔV/Δt
ΔV=a*Δt
ΔV=1.5*3=4.5 [m/s]
m=10kg
F=15N }dane
t=3s
Szukana
a=?
v=? }szukane
Rozw:
a=F/m }wzory
a=v/t
a=15N/10kg=1,5m/s² [a]=kg*m/s²/kg=m/s² jednostka oraz obliczenia
a=v/t \*t
v=a*t
v=1,5m/s² * 3s = 4,5m/s