Răspunsuri

2014-06-18T10:09:04+03:00
1)40km=40 000m
1h=3600sec

40km/1h=  40 000m/3600sec=  400m/36sec= 100m/9sec=   11,1 m/sec

500m/min= 500m/60sec= 50m/6sec= 25m/3sec = 8,3 m/sec

8,3 m/sec  < 10m/sec < 11,1 m/sec

2)36 C=  309,15 K

8 C =281,15 K

3 C=276,15 K

40 C= 313,15 K

21 C= 294,15 K