Jawabanmu

2014-04-22T17:23:54+07:00
EK=1/2.m.v2
a=1/2.1.400=200
b=1/2.2.25=25
a:b
200:25
8:1
Jawaban paling cerdas!
2014-04-22T17:24:26+07:00
Rumus nya 1/2 m×v kuadrat benda a = 1/2 × 1 × 20 kuadrat = 200 benda b = 1/2 × 2 × 5 kuadrat = 25 200 : 25 = 8:1 kalo gak salah