Răspuns :
v = 25 km/ h =25000m/h
▲t = d / v
d = distanța
d= 100 m
▲t = timpul
▲t = 100 m / 25000 = 0,004 h = 0,24 min = 14.4 secunde
▲t = d / v
d = distanța
d= 100 m
▲t = timpul
▲t = 100 m / 25000 = 0,004 h = 0,24 min = 14.4 secunde
25 km/h=25000m/3600s=250m/36s=125m/18s
viteza=distanta/timp=> timp=distanta/viteza=> timp=100m/(125m/18s)=> timp=100m x 18s/125m=> timp=4 x 18s/5=> timp=72s/5=> timp=14,4 secunde
viteza=distanta/timp=> timp=distanta/viteza=> timp=100m/(125m/18s)=> timp=100m x 18s/125m=> timp=4 x 18s/5=> timp=72s/5=> timp=14,4 secunde