Task 40694.
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- Physics
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- 40694.PNG (164.59 KB)
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- 31.10.2015 20:05:55
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- Юрий Физик · about the seller and their products
DESCRIPTION
Task 40694.
Point isotropic source of the sound is on the perpendicular to the plane of the ring, passing through its center O. The distance between the point O and the source of 1.00 m, the ring radius R = 0,50 m. Find the average energy flow through the area bounded by the ring if the point About the sound intensity of 30 mW / m ^ 2.
Additional information:
Detailed solution with the formulas and the laws used in the decision, the withdrawal of the calculation formula and the response.
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