Zadania w załączniku
LIczę na dokładne obliczenia. sam wynik sie nie liczy!
Termin: 9 listopad :)
zad1
V=72km/h=20m/s
s=v*t
s=20m/s*60s
s=1200m
s2=20m/s*1s
s2=20m
Zad2
S1=20km
V1=40km/h
S2=20km
V2=60km
t1=20km/40km/h
t1=3/6h
t2=20km/60km/h
t2=2/6h
t=t1+t2
t=5/6h
Vśr=40km*6/5h
Vśr=48km/h
Zad4
V1=10m/s
a=0.5m/s
t=20s
V=a*t
V=10m/s
Vkońcowe=10m/s+10ms = 20m/s
Zad5
v=108km/h=30m/s
a=4m/s kwadrat
t=v/a
t=7.5s
Zad6
a=5m/s
v=54km/h=15m/s
t=15m/s/5m/s kwadrat
t=3s
Zad7
v=72km/h=20m/s
t=60s
a=deltav/t
a=0,33m/s kwadrat
s=at kwadrat/2
s=50.5m
zad8
a=3m/s kwadrat
s=1.5m
t=pierwiastek z 2s/a
t=1,73s
v=at
v=5.2m/s
Zad9
s=100m
v=10m/s
2s=at kwadrat
2s=deltav/t*t kwadrat
2s=deltav*t
t=2s/deltav
t=200m/10m/s
t=10s
a=10m/s/10s
a=1m/s kwadrat
Zad 3 masz w załączniku wstawione :)
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zad1
V=72km/h=20m/s
s=v*t
s=20m/s*60s
s=1200m
s2=20m/s*1s
s2=20m
Zad2
S1=20km
V1=40km/h
S2=20km
V2=60km
t1=20km/40km/h
t1=3/6h
t2=20km/60km/h
t2=2/6h
t=t1+t2
t=5/6h
Vśr=40km*6/5h
Vśr=48km/h
Zad4
V1=10m/s
a=0.5m/s
t=20s
V=a*t
V=10m/s
Vkońcowe=10m/s+10ms = 20m/s
Zad5
v=108km/h=30m/s
a=4m/s kwadrat
t=v/a
t=7.5s
Zad6
a=5m/s
v=54km/h=15m/s
t=v/a
t=15m/s/5m/s kwadrat
t=3s
Zad7
v=72km/h=20m/s
t=60s
a=deltav/t
a=0,33m/s kwadrat
s=at kwadrat/2
s=50.5m
zad8
a=3m/s kwadrat
s=1.5m
t=pierwiastek z 2s/a
t=1,73s
v=at
v=5.2m/s
Zad9
s=100m
v=10m/s
s=at kwadrat/2
2s=at kwadrat
2s=deltav/t*t kwadrat
2s=deltav*t
t=2s/deltav
t=200m/10m/s
t=10s
a=deltav/t
a=10m/s/10s
a=1m/s kwadrat
Zad 3 masz w załączniku wstawione :)