Answer to Question #210438 in Physics for Morgan Hopkin

Question #210438

A firetruck passes you on the way to a big conflagration on a balmy -12oC day. If the siren is 256 Hz and the firetruck is traveling at 25 m/s what is the frequency you hear as the firetruck approaches and departs?

Expert's answer

"f_o=256\\frac{324}{324+25}=238\\ Hz"

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