Jawabanmu

2014-03-28T10:58:26+07:00
Energi Potensial = m x g x h
200 j = m x 10m x 10m/s²
200 j = m x 100
200 j : 100 = m
2 kg = m (b)

semoga membantu =D

1 5 1
Jawaban paling cerdas!
2014-03-28T11:02:58+07:00
Diketahui :
Ep = 200j
h = 10 m
g = 10m/s

ditanyakan
m = ...?
jawab:

Ep = m . g . h
m =  Ep / (g.h)
m = 200 / (10 x 10)
    = 200 / 100
    = 2 kg

answer B
2 5 2