Jawabanmu

2014-08-27T21:06:18+07:00
1950/6,5=300 detik=5 menit=1/12 jam
16. 12km/4=3000 detik=50 menit= 15.40
17. 36km/jam=10 m/s / 5= 2m/s kuadrat
17. 36km/jam=10 m/s / 5= 2m/s kuadrat
18. B 19. D
2014-08-27T21:08:40+07:00
T = s/v = 1950m/6,5m/s => 19500m/65m/s = 300 sekon