V=180km/h=50m/s
ni=40Hz
π≈3,14
V=2*π*r*ni
2r=d
V=π*ni*d /:π
d*ni=V/π /:ni
d=V/π*ni
d=50/3,14*40
d=50/125,6
d=0,398m
d=39,8cm
[d]=[m/s/Hz]=[m/s*1/s]=[m]
Odp: Średnica koła wynosi 39,8cm.
Dane;
v=180km/h=18000m/3600s=50m/s
f=40Hz
d=2r=?
v=s/t=2pir/T=2pirf= pidf pi=3,14 wyznaczam d:
d=v/pif=50/(3,14*40)=0,4m
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V=180km/h=50m/s
ni=40Hz
π≈3,14
V=2*π*r*ni
2r=d
V=π*ni*d /:π
d*ni=V/π /:ni
d=V/π*ni
d=50/3,14*40
d=50/125,6
d=0,398m
d=39,8cm
[d]=[m/s/Hz]=[m/s*1/s]=[m]
Odp: Średnica koła wynosi 39,8cm.
Dane;
v=180km/h=18000m/3600s=50m/s
f=40Hz
d=2r=?
v=s/t=2pir/T=2pirf= pidf pi=3,14 wyznaczam d:
d=v/pif=50/(3,14*40)=0,4m