Kak tolong jawab ya masalahnya besok di kumpulkan
26.
t = 07:55 – 06:35 = 01:20 = 1,33 jam
v = 48km/jam
s = v x t
s = 48 x 1,33 jam = 64km (B)
27)
t = s/v
t = 1,8/12
t = 0,15 jam = 9 menit (perjalanan)
Adit tiba disekolah pukul 06:45 (15 menit sebelum masuk.
Adit berangkat = 06:45 – 00:09 = 06:36
28)
wp = jarak/v1+v2
wp = 68km/39+46
wp = 68/85
wp = 0,8 jam = 48 menit
waktu papasan
= 06:45 + 00:48 = 07:33