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avatar+956 

What is the sound intensity of a jackhammer that is rated at 90 dB? 

 

I get 10^9 = 1000000000  

 

Am I correct? 

 

Thanks, 

Julius 

 Dec 21, 2017
 #1
avatar+18305 
+1

1 x 10^-3  W/m^2

 Dec 21, 2017
 #2
avatar+956 
+1

Umm, I don't understand how you arrived there. Can you please explain?

Julius  Dec 21, 2017
 #3
avatar+18305 
+1

From a web search:

ElectricPavlov  Dec 21, 2017

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