Jawabanmu

2014-06-05T18:19:29+07:00
Periode = 1/f = 1/40 = 0,025 sekon
1 5 1
2014-06-05T18:21:14+07:00
Diket : T = 40Hz
Ditanya : f...?
jawab : T = 1/f 
T=1/40hz
T= 0,025
2 5 2