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

Question

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

Kunduz · Accepted Answer

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