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Verified answer
Kaya nya hasilnya yg CMaaf kalo salah
n = 2 gelombang
t = 1 sekon
Panjang dua Gelombang = 3 meter berarti Panjang satu Gelombang ( 1 Lamda )=3/2=1,5 m
Pembahasan :
•Amplitudo nya sebesar 15 cm
Amlitudo adalah simpangan(y) terjauh
F = n/t
F = 2/1
F = 2 Hz
•V = Lamda×F
V = 1,5×2
V = 3 m/s