Question

Find the number of decibels for the power of the sound given. Round to the nearest decibel.
A rocket engine,
2.50 * 10^5 watts cm^2

what is the db?

Nov 7, 2014

10*Log(2.50*10^5/10^-16) =
10*Log(2.50*10^21) = 214 db.

Nov 9, 2014

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