Odpowiedź:
dane:
v1=70km/h
v2=40km/h
s=s1+s2=70km
s1=v1*t=?
s2=v2*t=?
t=?
s=v1*t + v2*t= t*(v1+v2)
s= t*(v1+v2)
t=s/(v1+v2)
t= 70/ (70+40)
t=70/110
t=0,636 h
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Odpowiedź:
dane:
v1=70km/h
v2=40km/h
s=s1+s2=70km
s1=v1*t=?
s2=v2*t=?
t=?
s=v1*t + v2*t= t*(v1+v2)
s= t*(v1+v2)
t=s/(v1+v2)
t= 70/ (70+40)
t=70/110
t=0,636 h