Proszę o obliczenie, potrzebuję na dzisiaj, 4 zadania, ruchu prostoliniowym, w załączniku.
Zad.1
v=s/t
a)
t=1s
s=4m
v=4m/1s=4m/s
b)
t=3s
s=12m
v=12/3=4m/s
zad.2
v=2m/s
t=6s
s=?
v=s/t --> s=v*t
s=6s*2m/s=12m
zad.3
s=5km=5000m
v=5m/s
t=s/v
t=5000m/5m/s=100s
Zad 4
s=300+15=315
v=18km/h=5m/s
s=315/5=63s
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Zad.1
v=s/t
a)
t=1s
s=4m
v=4m/1s=4m/s
b)
t=3s
s=12m
v=12/3=4m/s
zad.2
v=2m/s
t=6s
s=?
v=s/t --> s=v*t
s=6s*2m/s=12m
zad.3
s=5km=5000m
v=5m/s
t=s/v
t=5000m/5m/s=100s
Zad 4
s=300+15=315
v=18km/h=5m/s
t=s/v
s=315/5=63s