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Ph1 = Ph2
ρ1.g.h1 = ρ2. g. h2 (gravitasi bisa dicoret krn gravitasi yg berlaku untuk 1 dan 2 besarnya sama)
800.h1 = 1000.2
800.h1 = 2000
h1 = 2000 / 800 = 2,5 cm
nomor 9:
t= 10 sekon
n= 1 1/2 atau 3/2
s = 60 cm
f = n/t = 3/2 ÷ 10 = 3/20 atau 0,15 Hz
λ= s/n = 60 ÷ 3/2 = 40 cm
maaf kalau ad yg salah ya hehe