Physics, 02.08.2019 22:10, bettyrose69

As a bat flies toward a wall at a speed of 6.0 m/s, the bat emits an ultrasonic sound wave with frequency 30.0 khz. what frequency does the bat hear in the reflected wave?

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As a bat flies toward a wall at a speed of 6.0 m/s, the bat emits an ultrasonic sound wave with freq...