What is thebeat frequency heard by the bystander

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Two cars have identical horns, each emitting a frequency offs = 395 Hz. One of the cars is moving with aspeed of 13.5 m/s toward a bystander waiting at a corner, and theother car is parked. The speed of sound is 343 m/s. What is thebeat frequency heard by the bystander?

Reference no: EM13649787

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