Answered: 1) You are sitting on a bench by a road… | bartleby

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1)
drives by. You notice that the siren sounds like a B4 (494 Hz) as it approaches you and drops to
an A4 (440 Hz) once it passes.
You are sitting on a bench by a road on a warm (29.5 °C) afternoon when an ambulance
a) How fast is the ambulance driving?
b) What is the frequency of the siren at rest?

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