Jawabanmu

2014-08-24T19:36:11+07:00
Jarak seluruhnya pakai glbb
1/2 at kuadrat = 30
vo.t-1/2 at kuadrat = 30.2 - 2,5.4 = 50
vo.t+1/2 at kuadrat =20.2+5.4 = 60
vo.t-1/2at kuadrat =40-10 = 30
vo.t-1/2at kuadrat = 40-20 =20
total =30 tambah 50 tambah 60 tambah 30 tambah 20=190