Rozwiązanie: S = 100km+40km S = 140km t = 80min+30min t = 110min t = 1h50min V = S/t V = 140km/1h50min V = (140:11/6)km/h V = (840/11)km/h V = 76i4/11 km/h
mikax33
Dane: s1=100km t1=80min s2=40km t2=30min a) Szukane: v średnia=? s całkowita=? t całkowity=? (^oznacz to sobie jakoś) v śr=s c/ t c s c=s1+s2=100km+40km=140km t c=t1+t2=80min+30min=110min v śr=140km/110min= 1 3/11 km/min b) Szukane: v1=? v2=? v1=s1/t1=100km/80min=5/4 km/min = 1 1/4 km/min v2=s2/t2=40km/30min=4/3 km/min= 1 1/3 km/min
Dane:
S₁ = 100km
t₁ = 80min
S₂ = 40km
t₂ = 30min
Szukane:
V śr
Rozwiązanie:
S = 100km+40km
S = 140km
t = 80min+30min
t = 110min
t = 1h50min
V = S/t
V = 140km/1h50min
V = (140:11/6)km/h
V = (840/11)km/h
V = 76i4/11 km/h
b)
Dane:
S₁ = 100km
t₁ = 80min
S₂ = 40km
t₂ = 30min
Szukane:
V₁
V₂
Rozwiązanie:
V₁ = 100km/80min
V₁ = 100km/1h20min
V₁ = (100:4/3)km/h
V₁ = 75km/h
V₂ = 40km/30min
V₂ = 40km:0,5h
V₂ = 80km/h
s1=100km
t1=80min
s2=40km
t2=30min
a)
Szukane:
v średnia=?
s całkowita=?
t całkowity=?
(^oznacz to sobie jakoś)
v śr=s c/ t c
s c=s1+s2=100km+40km=140km
t c=t1+t2=80min+30min=110min
v śr=140km/110min= 1 3/11 km/min
b)
Szukane:
v1=?
v2=?
v1=s1/t1=100km/80min=5/4 km/min = 1 1/4 km/min
v2=s2/t2=40km/30min=4/3 km/min= 1 1/3 km/min