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The sound level close to a jet (r =1m) when it takes off is about 150 phon. How far do you have to go away in order to lower the intensity level below the pain threshold?

2006-06-21 07:38:57 · 2 answers · asked by Stavi 2 in Science & Mathematics Physics

2 answers

dB diff = 20 * log10(d1/d2)

10 meters

2006-06-21 07:47:08 · answer #1 · answered by davidmi711 7 · 1 0

far enough

2006-06-21 14:40:29 · answer #2 · answered by MrSmarT 3 · 0 0

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