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Jane waits on a railroad platform, while two trains approach from the same direction at equal speeds of 12. 3 m/s. Both trains are blowing their whistles (which have the same fr…

Jane waits on a railroad platform, while two trains approach from the same direction at equal speeds of 12. 3 m/s. Both trains are blowing their whistles (which have the same fr…
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Jane waits on a railroad platform, while two trains approach from the same direction at equal speeds of 12. 3 m/s. Both trains are blowing their whistles (which have the same frequency), and one train is some distance behind the other. After the first train passes jane, but before the second train passes her, she hears beats of frequency 5. 57 hz. What is the frequency of the train whistles? the velocity of sound is 343 m/s. Answer in units of hz

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User Jingnan Jia
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socks up his told was to pull he

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User Matt Brunmeier
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