The speaker diaphragm with a diameter of 30 cm oscillates with an amplitude of shift 0.020 mm. Calculate the amplitude of pressure and the strength and total power of the sound, transmitted by the speaker. (The solutions are 55 Pa, 3.5 W / m², 0.25 W)

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The speaker diaphragm with a diameter of 30 cm oscillates with an amplitude of shift 0.020 mm. Calculate the amplitude of pressure and the strength and total power of the sound, transmitted by the speaker. (The solutions are 55 Pa, 3.5 W / m², 0.25 W)

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