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Q = Debit<br />
ρrelatif = massa jenis relatif<br />
GETARAN<br />
GELOMBANG BUNYI<br />
k = konstanta pegas<br />
1. w<br />
k = W = berat<br />
x<br />
x = perubahan panjang pegas<br />
F = gaya pegas<br />
y = simpangan<br />
2. Ep = energi potensial<br />
Emek = energi mekanik<br />
F = - k .<br />
Ek = energi kinetik<br />
3. A = amplitudo<br />
Ep = ½ ky<br />
t = waktu<br />
ω = kecepatan sudut<br />
4. m = massa<br />
T = periode<br />
k = konstanta<br />
5. l = panjang<br />
f = frekuensi<br />
λ = panjang gelombang<br />
Lo = panjang mula-mula<br />
6. ∆L = perubahan panjang<br />
n = nada dasar ke<br />
Vp = kecepatan pendengar<br />
Vs = kecepatan sumber bunyi<br />
7. P = daya<br />
R1= jarak 1<br />
R2 = jarak 2<br />
8.<br />
2<br />
E mek = ½ kA2 Ek = ½ k (A2-y2 )<br />
2 2<br />
k ( A − y )<br />
v =<br />
m<br />
2<br />
k = mω<br />
y = Asin<br />
ωt<br />
9.<br />
10.<br />
11.<br />
v = ωA cos ωt<br />
2<br />
a = −ω<br />
Asin<br />
ωt<br />
2 2 2<br />
E k= 1 mω<br />
A c o sω<br />
t<br />
2<br />
25
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