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waktu = 5 menit 1/12 jam.
dit : kelajuan rata2 pelari tersebut?
jwb : kelajuan rata2 = s/t = 2/ 1/12
= 2 kali 12/1
= 24/1
= 24 km/jam
s=2000 m= 2 km
t= 5 menit= jam
Dit=v (km/jam)
Jwb=
v=
v=
v=24 km/jam