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Back to 17.7 The Doppler Effect

17.7 Exercise 6

Avg difficulty 2.5

(a) What frequency is received by a person watching an oncoming ambulance moving at 110 km/h and emitting a steady 800-Hz sound from its siren? The speed of sound on this day is 345 m/s. (b) What frequency does she receive after the ambulance has passed?

OpenStax University Physics Volume 1, 17.7 The Doppler Effect, exercise 6

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.