Jawabanmu

2014-01-28T19:17:36+07:00
Energi Kinetik = 1/2 x m x v²

= 1/2 x 3000 x 25²
= 1500 x 625
= 937.500 joule
1 1 1
2014-01-28T19:17:44+07:00
Ek= 1/2.mv2
   =1/2.3000.(25m/s)2
   =937.500 joule