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Sound Power?

If the sound power level of a 100 cfm fan is 95 dB, what is the sound power in watts?

2007-04-01 16:16:42 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Other - Science

1 answers

db = 10Log(P2/P1)
10Log(P/1) = 95
Log(P) = 9.5
P = 10^9.5 = 316.227766 MW
which is entirely unrealistic!
P = 0.000316227766 microwatts is unrealistic, as well!

2007-04-03 09:19:57 · answer #1 · answered by Helmut 7 · 0⤊ 0⤋

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