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v1 = 30 m/s
t1 = 20 menit = 1200 s
v2 = 25 m/s
t =10 menit = 600s
ditanyakan:
s tot =?
jawab :
s1 = v1 t1
s1 = 30 x 1200 = 36000 m = 36 km
s2 = v2 t2
s2 = 25 x 600 = 15000 m = 15 km
s total = s1 + s2
s total = 36 + 15 = 51 km