Jawabanmu

Jawaban paling cerdas!
2014-06-06T23:48:17+07:00
Ep = 1/2 k * (delta x)^2
75 = 1/2 k * 5^2
3 = 1/2k
k = 6

1/2 . 6. 3^2
3.9 = 27
1 5 1
2014-06-07T03:03:02+07:00
27,
Ep = 1/2 k delta x kuadrat
Ep 1 : Ep 2 ajak