Jawabanmu

2014-04-27T16:19:44+07:00
EP: m.g.h
EP: 2kg.10.40
EP: 800 joule
jadi, energi potensialnya : 800 joule
2014-04-27T16:27:33+07:00
Diket
M: 2kg
G: 10 m/s^2
H :40 m
Ep : m.g.h
      :2.10.40
 =800 j