Răspuns :
2 min = 60 * 2 = 120 sec
1 000 : 120 = 8,3333 m/sec.
8,33333 * 60sec. = 500 m/min
1 h = 60 min
500 * 60 = 30 000 m/ora
1 000 : 120 = 8,3333 m/sec.
8,33333 * 60sec. = 500 m/min
1 h = 60 min
500 * 60 = 30 000 m/ora