2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/209532We show that the transformation equations for the parameters that characterize a plane acoustic wave: period, (frequency), wave vector, wave length and phase velocity can be derived without using phase invariance and Lorentz-Einstein transformationGeneral PhysicsDerivation of transformation equations for the parameters that characterize a plane acoustic wave without using phase invariance and Lorentz-Einstein transformationtext