Homework Help: Physics

Posted by Keith on Sunday, December 6, 2009 at 5:08pm.

A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The police car has a malfunctioning siren that is stuck at 992 Hz.

What is the wavelength behind the police car in meters?

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