PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 4
https://s.kaskus.id/images/2017/02/26/7079761_201702261258570809.jpg master bantuin nomer 2,3,4 dong. makasih :malu (2). V^2 = Vo^2 + 2 a L Vo = 0 a = V^2/(2L) ΣF = m a F - m g h/L - f = m V^2/(2L) 120 - 25 * 10 * 3/20 - f = 25 * 2^2/(2 * 20) f = 80 Newton periksa jawaban di atas, menu