Jawabanmu

2014-06-03T21:30:03+07:00
Dik = m 0,02 kg
         v=200m/s
dit = EK
jwab
EK= 1/2 .0,02.(200m/s)2
EK = 1/2.0,02.40.000m2/s2
EK= 400 kg.m2/s2
2014-06-03T21:35:56+07:00
Ek = m.v2:2 = (0,02kg).(200m/s2)2:2
= 4joule