an observer notice that the place of distance firework Accord 2.4 seconds before he heard the songs how far is he from the firework take the speed of sound on air is 340 metre per second
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an observer notice that the place of distance firework Accord 2.4 seconds before he heard the songs how far is he from the firework take the speed of sound on air is 340 metre per second
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Answer:
Hey, tell me is it correct.