Mathematics, 19.01.2021 01:30 lovevanna
Sound travels through air at about 344 meters per seconds when the temp. is 20 degrees c. If Enrique lives 2 kilometres from the fire station and it takes 5 seconds of the fire station siren to reach him, how can you prove indirectly that it's not 20 degrees Celsius when Enrique hears the siren?
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Sound travels through air at about 344 meters per seconds when the temp. is 20 degrees c. If Enrique...
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