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Answer on Acoustics Question for irving

Question #15767
when the outdoor emergency warning siren at Cheryl's school was tested, the sound from the siren took 7,0 seconds to reach her house located 2400 miles from tohe school. What is the speed of sound in air?
Expert's answer
2400 miles = 3842.4 kilometers
3842.4 km/7 s = 549 km/s
speed of sound can
not be that big, so there is a mistake in the text

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