Asked by lisa

Find the number of decibels for the power of the sound given. Round to the nearest decibel.
A rocket engine,
2.42 * 10^5 watts cm^2

what is the db?
Answered by Henry
db=10*Log(2.42*10^5)=10*Log(242000) = 54

Answered by Henry
Correction:
db = 10*Log(2.42*10^5/10^-16) =
10*Log(2.42*10^21) = 81
Answered by Henry
Oops!!
10*Log(2.42*10^21) = 214 db.

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