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=72000/3600
=20m/s
t=30s
dit: a...?
jwb:
a=Δv/t
a=20-0/30
a=2/3 m/s²
a=0,67 m/s²
Vt=72 km/jam
72000:3600=20 m/s
t=30 s
dit:a?
jawab:a=(Vt-Vo):t
=(20-0):30
biar keliatannya kmu krja hasil pmbagiannya kamu cri sndiri ya.. :))