Jawaban:
D. 500 m/s
Penjelasan:
n = 60.000 getaran
t = 4 menit = 240 s
Panjang gelombang = 2 m
Ditanya :
cepat rambat gelombang = ____?
Jawab :
Frekuensi gelombang :
f = n/t
f = 60.000/240
f = 250 Hz
cepat rambat gelombang :
v = λ . f
v = 2 m . 250 Hz
v = 500 m/s
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Jawaban:
D. 500 m/s
Penjelasan:
n = 60.000 getaran
t = 4 menit = 240 s
Panjang gelombang = 2 m
Ditanya :
cepat rambat gelombang = ____?
Jawab :
Frekuensi gelombang :
f = n/t
f = 60.000/240
f = 250 Hz
cepat rambat gelombang :
v = λ . f
v = 2 m . 250 Hz
v = 500 m/s