Which one is the correct answer and please explain why. Thank you. Part AYou are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind at constant speed and you perceive the frequency as 1340 Hz You are relieved that he is in pursuit of a different driverwhen he continues past you, but now you perceive the frequency as 1300 Hz What is the speed of the police car? The speed of sound in air is 343 m/s.O 39.2 m/sO 40.1 m/sO 30 m/sO 41.7 msO 38.4 m/sSubmitRequest AnswerProvide FeedbackNext >%2386.3.4.PYWE

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Answered: hat is the speed of the police ca

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hat is the speed of the police ca

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 34PE: A commuter train blows its 200Hz horn as it approaches a crossing. The speed at sound is 335 m/s....

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Question

Which one is the correct answer and please explain why. Thank you.

Part A
You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind at constant speed and you perceive the frequency as 1340 Hz You are relieved that he is in pursuit of a different driver
when he continues past you, but now you perceive the frequency as 1300 Hz What is the speed of the police car? The speed of sound in air is 343 m/s.
O 39.2 m/s
O 40.1 m/s
O 30 m/s
O 41.7 ms
O 38.4 m/s
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