7. A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the bat emits an ultrasonic sound wave with frequency 30 kHz. What frequency does the bat hear in the reflected wave?

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and 4.00 m from the other? Ans. 4.1 rad
7. A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the bat emits an
ultrasonic sound wave with frequency 30 kHz. What frequency does the bat
hear in the reflected wave?
8 The solution of travelling wave v(cos(kx - wt) is
Ans. 30,888 kHz
w²0²y a²y
Transcribed Image Text:and 4.00 m from the other? Ans. 4.1 rad 7. A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the bat emits an ultrasonic sound wave with frequency 30 kHz. What frequency does the bat hear in the reflected wave? 8 The solution of travelling wave v(cos(kx - wt) is Ans. 30,888 kHz w²0²y a²y
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