Trucks 1 and 2 each have a siren emitting a pure tone of606 Hz. Truck 1 remains stationary and truck 2 moves at14.1 m/s toward the observer as shown in the diagram. Thespeed of sound is 340 m/s. The observer must run at aspeed ofm/s (along a line segment connecting thetrucks, although direction right or left is not given) to makethe observed beat frequency become zero?D옷+2

Answered: Image /qna-images/answer/ebb0d5c9-d03b-475d-8baa-7b1f50384f4a.jpg

Answered: Trucks 1 and 2 each have a siren…

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 41P

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A police siren has a frequency of 340.0 Hz when the car is stationary and the temperature is 20°C. The police car at point S moves to the right with a speed of 22.0 m/s.

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