Jawabanmu

2014-06-03T20:47:32+07:00
Ek = 1/2 . m. v(kuadrat)
= 1/2. 0,05 . 150
=1/2 . 0,75
= hitung sendirinya (:
2014-06-03T20:47:36+07:00
1/2 x m x v²=1/2 x 0,05 x150²=1/2 x 0.05 x22500=562.5