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Please show all steps. Label all variable symbols such as wavelength, wave speed, period etc before using them in a formula. Please write out answer if possible. DO NOT TYPE ANSWERS WITHOUT MULTIPLICATION OR DIVISION SIGNS.
a)
The frequency of 'f' is given by
Where v is the velocity of sound in the medium.
vs is the velocity of source.
vo is the velocity of the observer.
The relative frequency heard by the observer initially is,
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