Jawabanmu

2014-09-08T16:31:27+07:00
2014-09-08T17:11:19+07:00
Dik
1 km = 1000 m
1 jam = 60 menit = 3600 sekon

maka :

V = 108 km/jam = ( 108 x 1000) /3600 = 30 m/s 

semoga membantu