Question: A bat flies toward a wall at a speed of 5.0m/s. As it flies, the bat emits and ultrasonic sound wave with frequency 30.0 kHz.

A bat flies toward a wall at a speed of 5.0m/s. As it flies, the bat emits and ultrasonic sound wave with frequency 30.0 kHz. What frequency does the bat hear in the reflected wave?

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