A bat flies toward a wall at a speed of55ms as it flies the
A bat flies toward a wall at a speed of5.5m/s. As it flies, the bat emits an ultrasonic sound wave with frequency29.0kHz. What frequency does the bat hear in the reflected wave?
kHz
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a bat flies toward a wall at a speed of55ms as it flies the bat emits an ultrasonic sound wave with frequency290khz
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