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L6.E1 Foghorn 1/1 point (graded) A foghorn is used to warn ships of the presence of other boats in foggy conditions. The intensity of the

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L6.E1 Foghorn 1/1 point (graded) A foghorn is used to warn ships of the presence of other boats in foggy conditions. The intensity of the foghorn is measured to be 1 x 10- W/m at a distance of 1 m. At sea, the minimum audible intensity is measured to be 1 x 10- W/m . What is the maximum distance at which the foghorn can be heard? 100 m

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