What is the true frequency of the police siren

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Reference no: EM13244085

A police siren has a frequency of 550 Hz as the police car approaches you and a frequency of 450 Hz after it has passed you and receding. The speed of sound is 343 m/s.

How fast are the police traveling?

Identify the cause for the frequency shift in each case.

What is the true frequency of the police siren.

Reference no: EM13244085

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