An automobile horn has a frequency of 440 hz. What frequency is heard when it is approaching at 50 mph
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An automobile horn has a frequency of 440 hz. What frequency is heard when it is approaching at 50 mph

[From: ] [author: ] [Date: 12-09-20] [Hit: ]
465/3.6) = 22.35m/sec.Using 343m/sec.((343 + 22.35)/343) x 440 = 468.......
Physics Question^^ Thanks

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50mph = (50 x 1.6093) = 80.465kph., = (80.465/3.6) = 22.35m/sec.
Using 343m/sec. as speed of sound:
((343 + 22.35)/343) x 440 = 468.67Hz.

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470.9616 Hz
1
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