Jawabanmu

2014-02-19T20:47:04+07:00
Ep = m x g xh = 2 x 2,5 x 9,8 = 49
2014-02-19T20:47:48+07:00
Energi potensial (Ep)
= m.g.h
= 2 kg x 9,8 m/s² x 2,5 m
= 49 Joule
1 5 1