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algebra

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Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine,2.44 cross 10^(−5)watts/cm2.

  • algebra - ,

    dB=10log(I/I0)

    =10log(2.46∗10−1/10−12)

    =10log(2.46∗1011)=113.91dB−−−−−−−−−ans

  • algebra - ,

    A rocket engine, 2.39 cross 10−5watts/cm2

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