Tolong nomor 44.Beserta caranya yaa

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Tolong nomor 44.Beserta caranya yaa

Tolong nomor 44.Beserta caranya yaa

44. Va = 40 km/jam
Vb = 60 km/jam
S = 20 km
S saat berpapasan =
Tahap 1 =
t berpapasan = S/Va + Vb
= 20 km/(40+60) km/jam
= 1/5 jam
Tahap 2
S berpapasan A = Va × t = 40 × 1/5 = 8 km
S berpapasan B = Vb × t = 60 × 1/5 = 12 km