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Vt=90km/jam = 25m/s
Rumusnya
Vt= Vo+at
25=15+a10s
25-15=a10
a=1 percepatanya 1m/s
pangkat2
Vt=Vo+at
Vt=15+1.20
Vt=35 m/s
Untuk jaraknya s = ?
Vtpangkat 2=vo2-2as
35pangkat2=15pangkat2-2.1.s
1225=225-2s
1000=2s
S=500m