Kak tolong jawab soal di atas ya..
Penjelasan dengan langkah-langkah:
1. Dik: s = 1,5 km = 1500 m
t = 10 menit = 600 s
Dit: v ?
Jwb: v= s/t = 1500/600= 2,5 m/s
2. Dik: v= 90 Km/jam = 90000m/3600s= 25 m/s
t = 30 menit= 1800 s
dit: s ?
Jwb: s= v * t
s= 25 * 1800
s = 45.000 m = 45 Km