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max0005
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Homework Statement
My books states, considering a stationary source emitting waves at frequency f, such waves having velocity v, and an observer approaching the source along a linear path at velocity vO we have that: The observer registers the velocity of the waves at [tex]v+v0[/tex]. Up until now all ok, the velocity "felt" by the observer is the sum of the wave's velocity plus his own velocity.
Then the book adds: Which is equal to [tex]\frac{f}{\lambda}[/tex] where [tex]\lambda[/tex] is the wavelength. Can anybody please explain this passage?
Thanks in advance!
max