Jawabanmu

2014-04-23T20:54:21+07:00
Periode

T=  \frac{t}{n}

T =  \frac{2}{3/4}

T= 2,67s

frekuensi

f =  \frac{n}{t}

f =  \frac{3/4}{2}

f = 1,5 Hz

2014-04-23T20:58:34+07:00
Periode(T) =  \frac{t}{n} =  \frac{2 s}{ \frac{3}{4} } = 2s x  \frac{4}{3} = 2,6 s
frekuensi(f) =  \frac{n}{t} =  \frac{ \frac{3}{4} }{2 s} = 3 x  \frac{2 s}{4} = 1,5 Hz