What is the closest distance you should live from the airport runway to preserve

Question

What is the closest distance you should live from the airport runway to preserve your peace of mind? Express your answer using two significant figures. Part B What intensity from the jet does your friend experience if she lives twice as far from the runway as you do? Express your answer using two significant figures. Part B What intensity from the jet does your friend experience if she lives twice as far from the runway as you do? Express your answer using two significant figures. Part C What power of sound does the jet produce at take-off? Express your answer using two significant figures. Part C What power of sound does the jet produce at take-off? Express your answer using two significant figures. =

Explanation / Answer

I=P/A===>I1=9.5===>I2=1===>r1=30.9 m===>r2=??===>I2/I1=r1^2/r2^2==>r2=sqrt(30.9^2*9.5)=95.24 m

I2=9.5*30.9^2/(95.24*2)=0.25 W/m^2

A) 95 m

B) 0.25

C) Power=I*A

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