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Physics, 23.08.2019 03:20 zafarm2oxgpmx
Aperson hears a siren as a fire truck approaches and passes by. the frequency varies from 480hz on approach to 400hz going away. what is the speed of the truck if the speed of sound in air is 343m/s?
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Aperson hears a siren as a fire truck approaches and passes by. the frequency varies from 480hz on a...
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