What is the speed of ambulance

Reference no: EM13312014

As you stand motionless on the sidewalk, you hear an ambulance siren broadcasting a shrill 610hz sound while it is approaching, and 521 hz sound while it is receding.

A) What speed is the ambulance?

________________m/s

B) What would be the beat frequency of a signal created by the superposition of these two signals?

____________Hz

Reference no: EM13312014

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