An fıre truck races down a road at 75 km/h with its siren blazing. The siren has a frequency of 580 Hz and the temperature of the air is 22° C. what is the frequency of the sound waves as they pass an observer?

An fıre truck races down a road at 75 km/h with its siren blazing. The siren has a frequency of 580 Hz and the temperature of the air is 22° C. what is the frequency of the sound waves as they pass an observer?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter13: Mechanical Waves

Section: Chapter Questions

Problem 14OQ

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Concept explainers

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.

Question

An fıre truck races down a road at 75 km/h with its siren blazing. The siren has a
frequency of 580 Hz and the temperature of the air is 22°C. What is the
frequency of the sound waves as they pass an observer?
3680 Hz
O 617 Hz
325 Hz
547 Hz

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