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Science-Related Homework Help Physics Topic started by: Chery on Dec 5, 2016



Title: You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you ...
Post by: Chery on Dec 5, 2016
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  . You are relieved that he is in pursuit of a different driver when he continues past you, but now you perceive the frequency as  What is the speed of the police car? The speed of sound in air is 
A) 38.4 m/s
B) 30 m/s
C) 39.2 m/s
D) 40.1 m/s
E) 41.7 m/s


Title: Re: You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching ...
Post by: HotMath on Dec 5, 2016
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Title: Re: You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you ...
Post by: Chery on Jan 13, 2017
Thanks a million