Jawabanmu

2014-08-29T17:14:37+07:00
V=s/t
v=1,5km/1menit
v=1500 meter/60 sekon
v=25 m/s
3 5 3
2014-08-29T17:15:01+07:00
1,5 km = 1,5 x 100.000 m = 150.000 m
1 menit = 60 detik 

Kelajuan, 150.000/60 = 2500 m/s