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Does the velocity of sound change? I know pitch/frequency/wavelength changes.
Does the velocity of sound change? I know pitch/frequency/wavelength changes.
velocity is a property of the medium
absolute velocity is, yes. But when you walk toward a wave moving at the speed of sound, isn't the observed velocity increased? That is the basis for the Doppler equation, I think.
Well the velocity doesn't change. The fact that the doppler effect is concerned with a relative velocity doesn't change the fact that velocity itself is a property of the medium =)