Odpowiedź:
Zad1.
V=100m/s
s=50m
t=?
t= s/v
t= 50m/100m/s= 0.5s
Zad2
t=6s
V=30m/s
a=?
a=V/t
a=30m/s/6s=5m/s2
Zad3
t=5s
a=4m/s2
s=?
s=at2/2
s= 4m/s2 ×5s2/2=4ms2×25s2/2=50m
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Odpowiedź:
Zad1.
V=100m/s
s=50m
t=?
t= s/v
t= 50m/100m/s= 0.5s
Zad2
t=6s
V=30m/s
a=?
a=V/t
a=30m/s/6s=5m/s2
Zad3
t=5s
a=4m/s2
s=?
s=at2/2
s= 4m/s2 ×5s2/2=4ms2×25s2/2=50m
Wyjazśnienie: