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College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

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BuyFindarrow_forward

College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

At rest, a car’s horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. A bicyclist moving in the same direction with one-third the car’s speed hears a frequency of 415 Hz. (a) Is the cyclist ahead of or behind the car? (b) What is the speed of the car?

(a)

To determine
Is the cyclist ahead of or behind the car.

Explanation

When the observer moves towards the source, due to Doppler effect the frequency of the source heard from the source will be greater and when the observer moves away from the source the frequency of the sound from the source will be lesser...

(b)

To determine
The speed of the car

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