Răspunsuri

2014-06-01T20:30:39+03:00
D=v*t

v=40/2  km/h
v=20 km/h

1h..............60min
x..................3min

x=3/60= 0,05h

d=0,05h * 20 km/h

d=1km
1 5 1
2014-06-01T20:31:10+03:00
20 km....1h........60 min
x km..................3 min
x=3*20/60=1 km
1 5 1