A zebra is running with a velocity of 6m/s and emits a wave of sound of 56000Hz. This wave of sound bounces off of a stationary wall. The velocity of sound is 346.5 m/s. The frequency that hits the wall is 5600Hz. What frequency does the zebra hear coming from the wall? What is the beat frequency that is being heard by the zebra?

Answer for the beat frequency is not frequency heard by zebra coming from the wall-56000.

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