Jawabanmu

2014-03-26T17:06:38+07:00
F = n/t = 720 : 120 detik = 6
periode = t/n = 120 : 720 = 1/6
2014-03-26T17:08:55+07:00
Diketahui :
n = 720
t = 2 menit = 120 detik
frekuensi= f= n/t = 720/120 s = 6 Hz
perode = T = 1/f = 1/6 hz = 0,167 sekon
jadi frekuansinya 6 Hz dan periodenya 0,167 sekon
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