Jawabanmu

2014-04-20T17:31:07+07:00
Hukum Melde, v=√F/(m:l), v=√6250/(0.0625:0.4), v=√6250/0.15625, v=√40000, v=200m/s, frekuensi=v/lambda, f=200/0.4=500Hz