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17.8 Exercise 15

Avg difficulty 2.5

Two cars move toward one another, both sounding their horns (fs=800Hz)\left(f_{s} = 800 \text{Hz}\right). Car A is moving at 65 mph and Car B is at 75 mph. What is the beat frequency heard by each driver? The air temperature is TC=22.00°CT_{C} = 22.00 ° \text{C}.

OpenStax University Physics Volume 1, 17.8 Shock Waves, exercise 15

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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.