一道SAT2物理A worker hits a metal pipe with a hammer.The ratio of the intensity of loudness as heard by people standing 100 meters away from the worker to the intensity as heard by people standing 200 meters away from the work is A 4:1 B 2:1 C 1:
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一道SAT2物理A worker hits a metal pipe with a hammer.The ratio of the intensity of loudness as heard by people standing 100 meters away from the worker to the intensity as heard by people standing 200 meters away from the work is A 4:1 B 2:1 C 1:
SAT2物理A worker hits a metal pipe with a hammer.The ratio of the intensity of loudness as heard by people standing 100 meters away from the worker to the intensity as heard by people standing 200 meters away from the worker is(A)4:1(B)2:1(C)1:1(D)
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