Task 40060.

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Ultrasonic acoustic waves and propagate the same amplitude in the air at the same speed. Assuming that the frequency of the ultrasonic wave exceeds the frequency of the sound in 1000, to find how many times the intensity of the ultrasound will be greater than the intensity of the sound wave.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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