Cepat rambat gelombang transversal dalam dawai/tali : | Cepat rambat gelombang dalam semua medium(umum) : |
v = ÖF/m F = gaya tegang tali = m.g | v= l.f l = panjang gelombang (m) f =frekuensi gelombang (Hz) |
Cepat rambat gelombang bunyi(longitudinal) dalam : | Cepat rambat gelombang bunyi (longitudinal)dalam gas : |
zat padat v = ÖE/r zat cair v = ÖB/rE = modulus elastis zat padat B = modulus Bulk zat cair p = kerapatan medium perambat | v = Ög P/r P = tekanan gas (N/m2) Jika perambatan bunyi dalam gas dianggap sebagai proses adiabatik maka v= Ög RT/M g = Cp/Cv = kons. Laplace. r = kerapatan gas T = suhu mutlak M = massa satu mol gas(BM) |
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