Physics, 15.02.2020 02:56, WilliamYES9164

An opera singer in a convertible sings a note at 600 Hz while cruising down the highway at 90km/hr. What is the frequency heard by a person standing beside the road in front of the car?

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An opera singer in a convertible sings a note at 600 Hz while cruising down the highway at 90km/hr....