Jawabanmu

2014-09-11T18:20:26+07:00
Dik : v0=40km/jam= vt=50km/jam t=1 jam
dit: a?
jawab:a=vt-vo /t
           =50 km/jam - 40 km/jam / 1 jam
           = 10 km/jam/1 jam
           =10 km/jam = 2,78 m/s^2 ???
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