Two swift canaries fly toward each other, each moving at 15.0 m/s relative to the ground, each warbling a note of frequency 1750 hz. (a) what frequency note does each bird hear from the other one? (b) what wavelength will each canary measure for the note from the other one?

Part a)

f = 1911.5 Hz

Part b)

Explanation:

Here the source and observer both are moving towards each other

so we know that the apparent frequency is given as

here we know that

now we will have

Part b)

Apparent wavelength is given by the formula

here we will have

d) physical means can be used to separate the components of air.