Jawabanmu

2014-09-07T18:39:21+07:00
20x2= 40
jadi percepata dalam 2 secon :40m/2s

2014-09-07T18:55:32+07:00
Rumus percepatan a = v x t Diket : v = 20 m/s t = 2 s Dit : a = ....? Jawab a= v x t = 20 m/s x 2s = 40 m/s kuadrat