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## Homework Statement

A car with a horn making a frequency of 'f' Hz is driven in a circle with a radius of 'r' m. The uniform velocity of the car is v ms

^{-1}.

Draw graphs showing the frequency observes by the observer who is standing on;

a) Position A

b) Position B

(Position B is very far from the circle)

## Homework Equations

f' = f([itex]\frac{u}{u\pm v}[/itex])

u - Velocity of sound

v - Velocity of the car

## The Attempt at a Solution

*Please refer the attachments*

My answer for this one is only the position A is having a variation in the frequency while the position B observes the same frequency of 'f' Hz

Am I Right or please help me with this one! :)