An ambulance goes at 120 km / h sounding its siren. A car goes ahead of the

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An ambulance goes at 120 km / h sounding its siren. A car goes ahead of the ambulance in the same direction, at 80 km / h.

(a) If the sound emitted by the ambulance is 1200 Hz, calculate the frequency perceived by the driver of the car (speed of sound in still air: 340 m / s)

(b) What wavelength are the sound waves for the driver?

Related Book For answer-question

Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Posted Date: May 13, 2021 07:58 AM

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An ambulance goes at 120 km / h sounding its siren. A car goes ahead of the

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Fundamentals of Physics

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